Home / 42,447.29-63,670.85-11,282.54

Finding the Fourth Proportional to 42,447.29, 63,670.85 and 11,282.54

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Solution

The fourth proportional to 42,447.29, 63,670.85 and 11,282.54 is: 16,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447.29 : 63,670.85 = 11,282.54 : x
  2. Step 2: Convert to fraction form
    42,447.29/63,670.85 = 11,282.54/x
  3. Step 3: Cross multiply
    42,447.29x = 63,670.85 × 11,282.54
  4. Step 4: Simplify right side
    42,447.29x = 718,368,593.60
  5. Step 5: Solve for x
    x = 718,368,593.60/42,447.29
  6. Step 6: Final answer
    x = 16,923.78

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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.