Home / 42,532.57-63,796.70-12,949.75

Finding the Fourth Proportional to 42,532.57, 63,796.70 and 12,949.75

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Solution

The fourth proportional to 42,532.57, 63,796.70 and 12,949.75 is: 19,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,532.57 : 63,796.70 = 12,949.75 : x
  2. Step 2: Convert to fraction form
    42,532.57/63,796.70 = 12,949.75/x
  3. Step 3: Cross multiply
    42,532.57x = 63,796.70 × 12,949.75
  4. Step 4: Simplify right side
    42,532.57x = 826,151,251.08
  5. Step 5: Solve for x
    x = 826,151,251.08/42,532.57
  6. Step 6: Final answer
    x = 19,423.97

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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.