Home / 42,249.32-63,368.22-11,081.96

Finding the Fourth Proportional to 42,249.32, 63,368.22 and 11,081.96

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Solution

The fourth proportional to 42,249.32, 63,368.22 and 11,081.96 is: 16,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,249.32 : 63,368.22 = 11,081.96 : x
  2. Step 2: Convert to fraction form
    42,249.32/63,368.22 = 11,081.96/x
  3. Step 3: Cross multiply
    42,249.32x = 63,368.22 × 11,081.96
  4. Step 4: Simplify right side
    42,249.32x = 702,244,079.31
  5. Step 5: Solve for x
    x = 702,244,079.31/42,249.32
  6. Step 6: Final answer
    x = 16,621.43

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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.