Home / 45,331.44-67,979.53-15,337.65

Finding the Fourth Proportional to 45,331.44, 67,979.53 and 15,337.65

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Solution

The fourth proportional to 45,331.44, 67,979.53 and 15,337.65 is: 23,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331.44 : 67,979.53 = 15,337.65 : x
  2. Step 2: Convert to fraction form
    45,331.44/67,979.53 = 15,337.65/x
  3. Step 3: Cross multiply
    45,331.44x = 67,979.53 × 15,337.65
  4. Step 4: Simplify right side
    45,331.44x = 1,042,646,161.62
  5. Step 5: Solve for x
    x = 1,042,646,161.62/45,331.44
  6. Step 6: Final answer
    x = 23,000.51

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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.