Home / 31,264.35-43,144.80-17,117.19

Finding the Fourth Proportional to 31,264.35, 43,144.80 and 17,117.19

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Solution

The fourth proportional to 31,264.35, 43,144.80 and 17,117.19 is: 23,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.35 : 43,144.80 = 17,117.19 : x
  2. Step 2: Convert to fraction form
    31,264.35/43,144.80 = 17,117.19/x
  3. Step 3: Cross multiply
    31,264.35x = 43,144.80 × 17,117.19
  4. Step 4: Simplify right side
    31,264.35x = 738,517,739.11
  5. Step 5: Solve for x
    x = 738,517,739.11/31,264.35
  6. Step 6: Final answer
    x = 23,621.72

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Half scale
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Double scale
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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.