Home / 47,387.08-71,078.46-15,794.92

Finding the Fourth Proportional to 47,387.08, 71,078.46 and 15,794.92

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Solution

The fourth proportional to 47,387.08, 71,078.46 and 15,794.92 is: 23,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.08 : 71,078.46 = 15,794.92 : x
  2. Step 2: Convert to fraction form
    47,387.08/71,078.46 = 15,794.92/x
  3. Step 3: Cross multiply
    47,387.08x = 71,078.46 × 15,794.92
  4. Step 4: Simplify right side
    47,387.08x = 1,122,678,589.42
  5. Step 5: Solve for x
    x = 1,122,678,589.42/47,387.08
  6. Step 6: Final answer
    x = 23,691.66

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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.