Home / 70,321.14-97,042.92-38,489.76

Finding the Fourth Proportional to 70,321.14, 97,042.92 and 38,489.76

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Solution

The fourth proportional to 70,321.14, 97,042.92 and 38,489.76 is: 53,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.14 : 97,042.92 = 38,489.76 : x
  2. Step 2: Convert to fraction form
    70,321.14/97,042.92 = 38,489.76/x
  3. Step 3: Cross multiply
    70,321.14x = 97,042.92 × 38,489.76
  4. Step 4: Simplify right side
    70,321.14x = 3,735,158,700.50
  5. Step 5: Solve for x
    x = 3,735,158,700.50/70,321.14
  6. Step 6: Final answer
    x = 53,115.73

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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.