Home / 65,306.06-97,959.20-17,921.80

Finding the Fourth Proportional to 65,306.06, 97,959.20 and 17,921.80

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Solution

The fourth proportional to 65,306.06, 97,959.20 and 17,921.80 is: 26,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,306.06 : 97,959.20 = 17,921.80 : x
  2. Step 2: Convert to fraction form
    65,306.06/97,959.20 = 17,921.80/x
  3. Step 3: Cross multiply
    65,306.06x = 97,959.20 × 17,921.80
  4. Step 4: Simplify right side
    65,306.06x = 1,755,605,100.95
  5. Step 5: Solve for x
    x = 1,755,605,100.95/65,306.06
  6. Step 6: Final answer
    x = 26,882.73

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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.