Home / 74,818.68-112,278.86-30,453.52

Finding the Fourth Proportional to 74,818.68, 112,278.86 and 30,453.52

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Solution

The fourth proportional to 74,818.68, 112,278.86 and 30,453.52 is: 45,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818.68 : 112,278.86 = 30,453.52 : x
  2. Step 2: Convert to fraction form
    74,818.68/112,278.86 = 30,453.52/x
  3. Step 3: Cross multiply
    74,818.68x = 112,278.86 × 30,453.52
  4. Step 4: Simplify right side
    74,818.68x = 3,419,286,508.59
  5. Step 5: Solve for x
    x = 3,419,286,508.59/74,818.68
  6. Step 6: Final answer
    x = 45,700.97

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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.