Home / 42,515.68-63,769.20-11,354.08

Finding the Fourth Proportional to 42,515.68, 63,769.20 and 11,354.08

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Solution

The fourth proportional to 42,515.68, 63,769.20 and 11,354.08 is: 17,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,515.68 : 63,769.20 = 11,354.08 : x
  2. Step 2: Convert to fraction form
    42,515.68/63,769.20 = 11,354.08/x
  3. Step 3: Cross multiply
    42,515.68x = 63,769.20 × 11,354.08
  4. Step 4: Simplify right side
    42,515.68x = 724,040,598.34
  5. Step 5: Solve for x
    x = 724,040,598.34/42,515.68
  6. Step 6: Final answer
    x = 17,029.97

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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.