Home / 51,400.20-77,105.70-16,331.70

Finding the Fourth Proportional to 51,400.20, 77,105.70 and 16,331.70

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Solution

The fourth proportional to 51,400.20, 77,105.70 and 16,331.70 is: 24,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,400.20 : 77,105.70 = 16,331.70 : x
  2. Step 2: Convert to fraction form
    51,400.20/77,105.70 = 16,331.70/x
  3. Step 3: Cross multiply
    51,400.20x = 77,105.70 × 16,331.70
  4. Step 4: Simplify right side
    51,400.20x = 1,259,267,160.69
  5. Step 5: Solve for x
    x = 1,259,267,160.69/51,400.20
  6. Step 6: Final answer
    x = 24,499.27

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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.