Home / 39,939.20-59,932.80-16,563.20

Finding the Fourth Proportional to 39,939.20, 59,932.80 and 16,563.20

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Solution

The fourth proportional to 39,939.20, 59,932.80 and 16,563.20 is: 24,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.20 : 59,932.80 = 16,563.20 : x
  2. Step 2: Convert to fraction form
    39,939.20/59,932.80 = 16,563.20/x
  3. Step 3: Cross multiply
    39,939.20x = 59,932.80 × 16,563.20
  4. Step 4: Simplify right side
    39,939.20x = 992,678,952.96
  5. Step 5: Solve for x
    x = 992,678,952.96/39,939.20
  6. Step 6: Final answer
    x = 24,854.75

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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.