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Finding the Fourth Proportional to 65,456.88, 98,234.28 and 25,482.18

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Solution

The fourth proportional to 65,456.88, 98,234.28 and 25,482.18 is: 38,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,456.88 : 98,234.28 = 25,482.18 : x
  2. Step 2: Convert to fraction form
    65,456.88/98,234.28 = 25,482.18/x
  3. Step 3: Cross multiply
    65,456.88x = 98,234.28 × 25,482.18
  4. Step 4: Simplify right side
    65,456.88x = 2,503,223,605.13
  5. Step 5: Solve for x
    x = 2,503,223,605.13/65,456.88
  6. Step 6: Final answer
    x = 38,242.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.