Home / 42,103.20-63,122.40-23,635.20

Finding the Fourth Proportional to 42,103.20, 63,122.40 and 23,635.20

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Solution

The fourth proportional to 42,103.20, 63,122.40 and 23,635.20 is: 35,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,103.20 : 63,122.40 = 23,635.20 : x
  2. Step 2: Convert to fraction form
    42,103.20/63,122.40 = 23,635.20/x
  3. Step 3: Cross multiply
    42,103.20x = 63,122.40 × 23,635.20
  4. Step 4: Simplify right side
    42,103.20x = 1,491,910,548.48
  5. Step 5: Solve for x
    x = 1,491,910,548.48/42,103.20
  6. Step 6: Final answer
    x = 35,434.61

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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.