Home / 71,428.95-98,564.99-39,597.17

Finding the Fourth Proportional to 71,428.95, 98,564.99 and 39,597.17

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Solution

The fourth proportional to 71,428.95, 98,564.99 and 39,597.17 is: 54,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,428.95 : 98,564.99 = 39,597.17 : x
  2. Step 2: Convert to fraction form
    71,428.95/98,564.99 = 39,597.17/x
  3. Step 3: Cross multiply
    71,428.95x = 98,564.99 × 39,597.17
  4. Step 4: Simplify right side
    71,428.95x = 3,902,893,974.27
  5. Step 5: Solve for x
    x = 3,902,893,974.27/71,428.95
  6. Step 6: Final answer
    x = 54,640.23

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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.