Home / 65,847.48-98,793.39-20,876.18

Finding the Fourth Proportional to 65,847.48, 98,793.39 and 20,876.18

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Solution

The fourth proportional to 65,847.48, 98,793.39 and 20,876.18 is: 31,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,847.48 : 98,793.39 = 20,876.18 : x
  2. Step 2: Convert to fraction form
    65,847.48/98,793.39 = 20,876.18/x
  3. Step 3: Cross multiply
    65,847.48x = 98,793.39 × 20,876.18
  4. Step 4: Simplify right side
    65,847.48x = 2,062,428,592.45
  5. Step 5: Solve for x
    x = 2,062,428,592.45/65,847.48
  6. Step 6: Final answer
    x = 31,321.30

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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.