Home / 40,642.97-61,084.76-39,538.53

Finding the Fourth Proportional to 40,642.97, 61,084.76 and 39,538.53

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Solution

The fourth proportional to 40,642.97, 61,084.76 and 39,538.53 is: 59,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,642.97 : 61,084.76 = 39,538.53 : x
  2. Step 2: Convert to fraction form
    40,642.97/61,084.76 = 39,538.53/x
  3. Step 3: Cross multiply
    40,642.97x = 61,084.76 × 39,538.53
  4. Step 4: Simplify right side
    40,642.97x = 2,415,201,418.11
  5. Step 5: Solve for x
    x = 2,415,201,418.11/40,642.97
  6. Step 6: Final answer
    x = 59,424.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.