Home / 31,982.10-47,951.55-16,386.90

Finding the Fourth Proportional to 31,982.10, 47,951.55 and 16,386.90

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Solution

The fourth proportional to 31,982.10, 47,951.55 and 16,386.90 is: 24,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.10 : 47,951.55 = 16,386.90 : x
  2. Step 2: Convert to fraction form
    31,982.10/47,951.55 = 16,386.90/x
  3. Step 3: Cross multiply
    31,982.10x = 47,951.55 × 16,386.90
  4. Step 4: Simplify right side
    31,982.10x = 785,777,254.70
  5. Step 5: Solve for x
    x = 785,777,254.70/31,982.10
  6. Step 6: Final answer
    x = 24,569.28

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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.