Home / 44,398.68-66,565.20-20,997.72

Finding the Fourth Proportional to 44,398.68, 66,565.20 and 20,997.72

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Solution

The fourth proportional to 44,398.68, 66,565.20 and 20,997.72 is: 31,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,398.68 : 66,565.20 = 20,997.72 : x
  2. Step 2: Convert to fraction form
    44,398.68/66,565.20 = 20,997.72/x
  3. Step 3: Cross multiply
    44,398.68x = 66,565.20 × 20,997.72
  4. Step 4: Simplify right side
    44,398.68x = 1,397,717,431.34
  5. Step 5: Solve for x
    x = 1,397,717,431.34/44,398.68
  6. Step 6: Final answer
    x = 31,481.06

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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.