Home / 45,115.20-67,656.24-15,524.64

Finding the Fourth Proportional to 45,115.20, 67,656.24 and 15,524.64

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Solution

The fourth proportional to 45,115.20, 67,656.24 and 15,524.64 is: 23,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,115.20 : 67,656.24 = 15,524.64 : x
  2. Step 2: Convert to fraction form
    45,115.20/67,656.24 = 15,524.64/x
  3. Step 3: Cross multiply
    45,115.20x = 67,656.24 × 15,524.64
  4. Step 4: Simplify right side
    45,115.20x = 1,050,338,769.75
  5. Step 5: Solve for x
    x = 1,050,338,769.75/45,115.20
  6. Step 6: Final answer
    x = 23,281.26

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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.