Home / 55,565.22-83,319.48-18,101.20

Finding the Fourth Proportional to 55,565.22, 83,319.48 and 18,101.20

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Solution

The fourth proportional to 55,565.22, 83,319.48 and 18,101.20 is: 27,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.22 : 83,319.48 = 18,101.20 : x
  2. Step 2: Convert to fraction form
    55,565.22/83,319.48 = 18,101.20/x
  3. Step 3: Cross multiply
    55,565.22x = 83,319.48 × 18,101.20
  4. Step 4: Simplify right side
    55,565.22x = 1,508,182,571.38
  5. Step 5: Solve for x
    x = 1,508,182,571.38/55,565.22
  6. Step 6: Final answer
    x = 27,142.56

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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.