Home / 42,325.11-63,481.17-11,162.79

Finding the Fourth Proportional to 42,325.11, 63,481.17 and 11,162.79

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Solution

The fourth proportional to 42,325.11, 63,481.17 and 11,162.79 is: 16,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,325.11 : 63,481.17 = 11,162.79 : x
  2. Step 2: Convert to fraction form
    42,325.11/63,481.17 = 11,162.79/x
  3. Step 3: Cross multiply
    42,325.11x = 63,481.17 × 11,162.79
  4. Step 4: Simplify right side
    42,325.11x = 708,626,652.26
  5. Step 5: Solve for x
    x = 708,626,652.26/42,325.11
  6. Step 6: Final answer
    x = 16,742.47

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1.5x scale

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.