Home / 54,909.38-75,775.40-29,758.88

Finding the Fourth Proportional to 54,909.38, 75,775.40 and 29,758.88

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Solution

The fourth proportional to 54,909.38, 75,775.40 and 29,758.88 is: 41,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.38 : 75,775.40 = 29,758.88 : x
  2. Step 2: Convert to fraction form
    54,909.38/75,775.40 = 29,758.88/x
  3. Step 3: Cross multiply
    54,909.38x = 75,775.40 × 29,758.88
  4. Step 4: Simplify right side
    54,909.38x = 2,254,991,035.55
  5. Step 5: Solve for x
    x = 2,254,991,035.55/54,909.38
  6. Step 6: Final answer
    x = 41,067.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.