Home / 42,324.60-63,480.42-11,162.28

Finding the Fourth Proportional to 42,324.60, 63,480.42 and 11,162.28

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Solution

The fourth proportional to 42,324.60, 63,480.42 and 11,162.28 is: 16,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,324.60 : 63,480.42 = 11,162.28 : x
  2. Step 2: Convert to fraction form
    42,324.60/63,480.42 = 11,162.28/x
  3. Step 3: Cross multiply
    42,324.60x = 63,480.42 × 11,162.28
  4. Step 4: Simplify right side
    42,324.60x = 708,586,460.61
  5. Step 5: Solve for x
    x = 708,586,460.61/42,324.60
  6. Step 6: Final answer
    x = 16,741.72

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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.