Home / 39,972.98-59,949.02-11,885.47

Finding the Fourth Proportional to 39,972.98, 59,949.02 and 11,885.47

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Solution

The fourth proportional to 39,972.98, 59,949.02 and 11,885.47 is: 17,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.98 : 59,949.02 = 11,885.47 : x
  2. Step 2: Convert to fraction form
    39,972.98/59,949.02 = 11,885.47/x
  3. Step 3: Cross multiply
    39,972.98x = 59,949.02 × 11,885.47
  4. Step 4: Simplify right side
    39,972.98x = 712,522,099.15
  5. Step 5: Solve for x
    x = 712,522,099.15/39,972.98
  6. Step 6: Final answer
    x = 17,825.09

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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.