Home / 38,959.24-58,425.60-12,657.46

Finding the Fourth Proportional to 38,959.24, 58,425.60 and 12,657.46

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Solution

The fourth proportional to 38,959.24, 58,425.60 and 12,657.46 is: 18,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,959.24 : 58,425.60 = 12,657.46 : x
  2. Step 2: Convert to fraction form
    38,959.24/58,425.60 = 12,657.46/x
  3. Step 3: Cross multiply
    38,959.24x = 58,425.60 × 12,657.46
  4. Step 4: Simplify right side
    38,959.24x = 739,519,694.98
  5. Step 5: Solve for x
    x = 739,519,694.98/38,959.24
  6. Step 6: Final answer
    x = 18,981.88

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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.