Home / 42,419.20-58,512.32-27,306.88

Finding the Fourth Proportional to 42,419.20, 58,512.32 and 27,306.88

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Solution

The fourth proportional to 42,419.20, 58,512.32 and 27,306.88 is: 37,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,419.20 : 58,512.32 = 27,306.88 : x
  2. Step 2: Convert to fraction form
    42,419.20/58,512.32 = 27,306.88/x
  3. Step 3: Cross multiply
    42,419.20x = 58,512.32 × 27,306.88
  4. Step 4: Simplify right side
    42,419.20x = 1,597,788,900.76
  5. Step 5: Solve for x
    x = 1,597,788,900.76/42,419.20
  6. Step 6: Final answer
    x = 37,666.64

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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.