Home / 39,982.72-59,974.28-16,609.20

Finding the Fourth Proportional to 39,982.72, 59,974.28 and 16,609.20

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Solution

The fourth proportional to 39,982.72, 59,974.28 and 16,609.20 is: 24,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.72 : 59,974.28 = 16,609.20 : x
  2. Step 2: Convert to fraction form
    39,982.72/59,974.28 = 16,609.20/x
  3. Step 3: Cross multiply
    39,982.72x = 59,974.28 × 16,609.20
  4. Step 4: Simplify right side
    39,982.72x = 996,124,811.38
  5. Step 5: Solve for x
    x = 996,124,811.38/39,982.72
  6. Step 6: Final answer
    x = 24,913.88

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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.