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Finding the Fourth Proportional to 62,581.71, 86,349.81 and 35,732.95

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Solution

The fourth proportional to 62,581.71, 86,349.81 and 35,732.95 is: 49,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,581.71 : 86,349.81 = 35,732.95 : x
  2. Step 2: Convert to fraction form
    62,581.71/86,349.81 = 35,732.95/x
  3. Step 3: Cross multiply
    62,581.71x = 86,349.81 × 35,732.95
  4. Step 4: Simplify right side
    62,581.71x = 3,085,533,443.24
  5. Step 5: Solve for x
    x = 3,085,533,443.24/62,581.71
  6. Step 6: Final answer
    x = 49,304.08

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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.