Home / 70,449.28-97,221.32-38,617.96

Finding the Fourth Proportional to 70,449.28, 97,221.32 and 38,617.96

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Solution

The fourth proportional to 70,449.28, 97,221.32 and 38,617.96 is: 53,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,449.28 : 97,221.32 = 38,617.96 : x
  2. Step 2: Convert to fraction form
    70,449.28/97,221.32 = 38,617.96/x
  3. Step 3: Cross multiply
    70,449.28x = 97,221.32 × 38,617.96
  4. Step 4: Simplify right side
    70,449.28x = 3,754,489,046.91
  5. Step 5: Solve for x
    x = 3,754,489,046.91/70,449.28
  6. Step 6: Final answer
    x = 53,293.50

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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.