Home / 32,951.13-49,432.90-13,231.20

Finding the Fourth Proportional to 32,951.13, 49,432.90 and 13,231.20

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Solution

The fourth proportional to 32,951.13, 49,432.90 and 13,231.20 is: 19,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,951.13 : 49,432.90 = 13,231.20 : x
  2. Step 2: Convert to fraction form
    32,951.13/49,432.90 = 13,231.20/x
  3. Step 3: Cross multiply
    32,951.13x = 49,432.90 × 13,231.20
  4. Step 4: Simplify right side
    32,951.13x = 654,056,586.48
  5. Step 5: Solve for x
    x = 654,056,586.48/32,951.13
  6. Step 6: Final answer
    x = 19,849.29

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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.