Home / 42,446.66-63,669.92-11,281.91

Finding the Fourth Proportional to 42,446.66, 63,669.92 and 11,281.91

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Solution

The fourth proportional to 42,446.66, 63,669.92 and 11,281.91 is: 16,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.66 : 63,669.92 = 11,281.91 : x
  2. Step 2: Convert to fraction form
    42,446.66/63,669.92 = 11,281.91/x
  3. Step 3: Cross multiply
    42,446.66x = 63,669.92 × 11,281.91
  4. Step 4: Simplify right side
    42,446.66x = 718,318,119.77
  5. Step 5: Solve for x
    x = 718,318,119.77/42,446.66
  6. Step 6: Final answer
    x = 16,922.84

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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.