Home / 39,932.80-59,899.20-12,227.20

Finding the Fourth Proportional to 39,932.80, 59,899.20 and 12,227.20

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Solution

The fourth proportional to 39,932.80, 59,899.20 and 12,227.20 is: 18,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.80 : 59,899.20 = 12,227.20 : x
  2. Step 2: Convert to fraction form
    39,932.80/59,899.20 = 12,227.20/x
  3. Step 3: Cross multiply
    39,932.80x = 59,899.20 × 12,227.20
  4. Step 4: Simplify right side
    39,932.80x = 732,399,498.24
  5. Step 5: Solve for x
    x = 732,399,498.24/39,932.80
  6. Step 6: Final answer
    x = 18,340.80

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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.