Home / 31,906.34-47,885.02-14,377.53

Finding the Fourth Proportional to 31,906.34, 47,885.02 and 14,377.53

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Solution

The fourth proportional to 31,906.34, 47,885.02 and 14,377.53 is: 21,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.34 : 47,885.02 = 14,377.53 : x
  2. Step 2: Convert to fraction form
    31,906.34/47,885.02 = 14,377.53/x
  3. Step 3: Cross multiply
    31,906.34x = 47,885.02 × 14,377.53
  4. Step 4: Simplify right side
    31,906.34x = 688,468,311.60
  5. Step 5: Solve for x
    x = 688,468,311.60/31,906.34
  6. Step 6: Final answer
    x = 21,577.79

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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.