Home / 31,414.50-43,352.10-17,985.96

Finding the Fourth Proportional to 31,414.50, 43,352.10 and 17,985.96

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Solution

The fourth proportional to 31,414.50, 43,352.10 and 17,985.96 is: 24,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,414.50 : 43,352.10 = 17,985.96 : x
  2. Step 2: Convert to fraction form
    31,414.50/43,352.10 = 17,985.96/x
  3. Step 3: Cross multiply
    31,414.50x = 43,352.10 × 17,985.96
  4. Step 4: Simplify right side
    31,414.50x = 779,729,136.52
  5. Step 5: Solve for x
    x = 779,729,136.52/31,414.50
  6. Step 6: Final answer
    x = 24,820.68

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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.