Home / 70,397.18-97,148.21-38,132.15

Finding the Fourth Proportional to 70,397.18, 97,148.21 and 38,132.15

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Solution

The fourth proportional to 70,397.18, 97,148.21 and 38,132.15 is: 52,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,397.18 : 97,148.21 = 38,132.15 : x
  2. Step 2: Convert to fraction form
    70,397.18/97,148.21 = 38,132.15/x
  3. Step 3: Cross multiply
    70,397.18x = 97,148.21 × 38,132.15
  4. Step 4: Simplify right side
    70,397.18x = 3,704,469,439.55
  5. Step 5: Solve for x
    x = 3,704,469,439.55/70,397.18
  6. Step 6: Final answer
    x = 52,622.41

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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.