Home / 42,249.20-63,395.60-18,573.30

Finding the Fourth Proportional to 42,249.20, 63,395.60 and 18,573.30

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Solution

The fourth proportional to 42,249.20, 63,395.60 and 18,573.30 is: 27,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,249.20 : 63,395.60 = 18,573.30 : x
  2. Step 2: Convert to fraction form
    42,249.20/63,395.60 = 18,573.30/x
  3. Step 3: Cross multiply
    42,249.20x = 63,395.60 × 18,573.30
  4. Step 4: Simplify right side
    42,249.20x = 1,177,465,404.61
  5. Step 5: Solve for x
    x = 1,177,465,404.61/42,249.20
  6. Step 6: Final answer
    x = 27,869.53

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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.