Home / 39,981.28-59,939.52-16,625.20

Finding the Fourth Proportional to 39,981.28, 59,939.52 and 16,625.20

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Solution

The fourth proportional to 39,981.28, 59,939.52 and 16,625.20 is: 24,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.28 : 59,939.52 = 16,625.20 : x
  2. Step 2: Convert to fraction form
    39,981.28/59,939.52 = 16,625.20/x
  3. Step 3: Cross multiply
    39,981.28x = 59,939.52 × 16,625.20
  4. Step 4: Simplify right side
    39,981.28x = 996,506,507.90
  5. Step 5: Solve for x
    x = 996,506,507.90/39,981.28
  6. Step 6: Final answer
    x = 24,924.33

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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.