Home / 71,270.24-98,351.46-39,439.12

Finding the Fourth Proportional to 71,270.24, 98,351.46 and 39,439.12

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Solution

The fourth proportional to 71,270.24, 98,351.46 and 39,439.12 is: 54,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,270.24 : 98,351.46 = 39,439.12 : x
  2. Step 2: Convert to fraction form
    71,270.24/98,351.46 = 39,439.12/x
  3. Step 3: Cross multiply
    71,270.24x = 98,351.46 × 39,439.12
  4. Step 4: Simplify right side
    71,270.24x = 3,878,895,033.12
  5. Step 5: Solve for x
    x = 3,878,895,033.12/71,270.24
  6. Step 6: Final answer
    x = 54,425.17

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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.