Home / 42,380.12-58,484.48-23,517.20

Finding the Fourth Proportional to 42,380.12, 58,484.48 and 23,517.20

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Solution

The fourth proportional to 42,380.12, 58,484.48 and 23,517.20 is: 32,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,380.12 : 58,484.48 = 23,517.20 : x
  2. Step 2: Convert to fraction form
    42,380.12/58,484.48 = 23,517.20/x
  3. Step 3: Cross multiply
    42,380.12x = 58,484.48 × 23,517.20
  4. Step 4: Simplify right side
    42,380.12x = 1,375,391,213.06
  5. Step 5: Solve for x
    x = 1,375,391,213.06/42,380.12
  6. Step 6: Final answer
    x = 32,453.69

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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.