Home / 40,251.36-60,379.20-16,878.72

Finding the Fourth Proportional to 40,251.36, 60,379.20 and 16,878.72

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Solution

The fourth proportional to 40,251.36, 60,379.20 and 16,878.72 is: 25,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,251.36 : 60,379.20 = 16,878.72 : x
  2. Step 2: Convert to fraction form
    40,251.36/60,379.20 = 16,878.72/x
  3. Step 3: Cross multiply
    40,251.36x = 60,379.20 × 16,878.72
  4. Step 4: Simplify right side
    40,251.36x = 1,019,123,610.62
  5. Step 5: Solve for x
    x = 1,019,123,610.62/40,251.36
  6. Step 6: Final answer
    x = 25,318.99

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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.