Home / 44,404.20-66,549.20-20,979

Finding the Fourth Proportional to 44,404.20, 66,549.20 and 20,979

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Solution

The fourth proportional to 44,404.20, 66,549.20 and 20,979 is: 31,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,404.20 : 66,549.20 = 20,979 : x
  2. Step 2: Convert to fraction form
    44,404.20/66,549.20 = 20,979/x
  3. Step 3: Cross multiply
    44,404.20x = 66,549.20 × 20,979
  4. Step 4: Simplify right side
    44,404.20x = 1,396,135,561.91
  5. Step 5: Solve for x
    x = 1,396,135,561.91/44,404.20
  6. Step 6: Final answer
    x = 31,441.52

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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.