Home / 39,321.80-58,997.28-18,272.12

Finding the Fourth Proportional to 39,321.80, 58,997.28 and 18,272.12

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Solution

The fourth proportional to 39,321.80, 58,997.28 and 18,272.12 is: 27,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.80 : 58,997.28 = 18,272.12 : x
  2. Step 2: Convert to fraction form
    39,321.80/58,997.28 = 18,272.12/x
  3. Step 3: Cross multiply
    39,321.80x = 58,997.28 × 18,272.12
  4. Step 4: Simplify right side
    39,321.80x = 1,078,005,379.83
  5. Step 5: Solve for x
    x = 1,078,005,379.83/39,321.80
  6. Step 6: Final answer
    x = 27,414.96

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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.