Home / 71,276.46-98,361.78-38,570.88

Finding the Fourth Proportional to 71,276.46, 98,361.78 and 38,570.88

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Solution

The fourth proportional to 71,276.46, 98,361.78 and 38,570.88 is: 53,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,276.46 : 98,361.78 = 38,570.88 : x
  2. Step 2: Convert to fraction form
    71,276.46/98,361.78 = 38,570.88/x
  3. Step 3: Cross multiply
    71,276.46x = 98,361.78 × 38,570.88
  4. Step 4: Simplify right side
    71,276.46x = 3,793,900,412.97
  5. Step 5: Solve for x
    x = 3,793,900,412.97/71,276.46
  6. Step 6: Final answer
    x = 53,227.96

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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.