Home / 63,691.20-95,561.40-19,318.32

Finding the Fourth Proportional to 63,691.20, 95,561.40 and 19,318.32

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Solution

The fourth proportional to 63,691.20, 95,561.40 and 19,318.32 is: 28,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,691.20 : 95,561.40 = 19,318.32 : x
  2. Step 2: Convert to fraction form
    63,691.20/95,561.40 = 19,318.32/x
  3. Step 3: Cross multiply
    63,691.20x = 95,561.40 × 19,318.32
  4. Step 4: Simplify right side
    63,691.20x = 1,846,085,704.85
  5. Step 5: Solve for x
    x = 1,846,085,704.85/63,691.20
  6. Step 6: Final answer
    x = 28,984.94

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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.