Home / 31,264.38-43,145.64-17,117.19

Finding the Fourth Proportional to 31,264.38, 43,145.64 and 17,117.19

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Solution

The fourth proportional to 31,264.38, 43,145.64 and 17,117.19 is: 23,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.38 : 43,145.64 = 17,117.19 : x
  2. Step 2: Convert to fraction form
    31,264.38/43,145.64 = 17,117.19/x
  3. Step 3: Cross multiply
    31,264.38x = 43,145.64 × 17,117.19
  4. Step 4: Simplify right side
    31,264.38x = 738,532,117.55
  5. Step 5: Solve for x
    x = 738,532,117.55/31,264.38
  6. Step 6: Final answer
    x = 23,622.16

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Find fourth proportional to 15,632.19, 21,572.82 and 8,558.60
Half scale
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Double scale
Find fourth proportional to 31,265.38, 43,147.02 and 17,118.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.