Home / 39,839.67-59,759.84-11,376.55

Finding the Fourth Proportional to 39,839.67, 59,759.84 and 11,376.55

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Solution

The fourth proportional to 39,839.67, 59,759.84 and 11,376.55 is: 17,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.67 : 59,759.84 = 11,376.55 : x
  2. Step 2: Convert to fraction form
    39,839.67/59,759.84 = 11,376.55/x
  3. Step 3: Cross multiply
    39,839.67x = 59,759.84 × 11,376.55
  4. Step 4: Simplify right side
    39,839.67x = 679,860,508.95
  5. Step 5: Solve for x
    x = 679,860,508.95/39,839.67
  6. Step 6: Final answer
    x = 17,064.92

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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.