Home / 31,875.38-43,988.59-17,728.23

Finding the Fourth Proportional to 31,875.38, 43,988.59 and 17,728.23

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Solution

The fourth proportional to 31,875.38, 43,988.59 and 17,728.23 is: 24,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,875.38 : 43,988.59 = 17,728.23 : x
  2. Step 2: Convert to fraction form
    31,875.38/43,988.59 = 17,728.23/x
  3. Step 3: Cross multiply
    31,875.38x = 43,988.59 × 17,728.23
  4. Step 4: Simplify right side
    31,875.38x = 779,839,840.90
  5. Step 5: Solve for x
    x = 779,839,840.90/31,875.38
  6. Step 6: Final answer
    x = 24,465.27

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Double scale
Find fourth proportional to 31,876.38, 43,989.97 and 17,729.23
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.