Home / 65,471.13-98,212.35-18,086.20

Finding the Fourth Proportional to 65,471.13, 98,212.35 and 18,086.20

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Solution

The fourth proportional to 65,471.13, 98,212.35 and 18,086.20 is: 27,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,471.13 : 98,212.35 = 18,086.20 : x
  2. Step 2: Convert to fraction form
    65,471.13/98,212.35 = 18,086.20/x
  3. Step 3: Cross multiply
    65,471.13x = 98,212.35 × 18,086.20
  4. Step 4: Simplify right side
    65,471.13x = 1,776,288,114.14
  5. Step 5: Solve for x
    x = 1,776,288,114.14/65,471.13
  6. Step 6: Final answer
    x = 27,130.86

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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.