Home / 71,465.43-98,622.59-39,637.29

Finding the Fourth Proportional to 71,465.43, 98,622.59 and 39,637.29

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Solution

The fourth proportional to 71,465.43, 98,622.59 and 39,637.29 is: 54,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,465.43 : 98,622.59 = 39,637.29 : x
  2. Step 2: Convert to fraction form
    71,465.43/98,622.59 = 39,637.29/x
  3. Step 3: Cross multiply
    71,465.43x = 98,622.59 × 39,637.29
  4. Step 4: Simplify right side
    71,465.43x = 3,909,132,002.19
  5. Step 5: Solve for x
    x = 3,909,132,002.19/71,465.43
  6. Step 6: Final answer
    x = 54,699.62

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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.