Home / 55,118.25-82,677.38-13,565.25

Finding the Fourth Proportional to 55,118.25, 82,677.38 and 13,565.25

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Solution

The fourth proportional to 55,118.25, 82,677.38 and 13,565.25 is: 20,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.25 : 82,677.38 = 13,565.25 : x
  2. Step 2: Convert to fraction form
    55,118.25/82,677.38 = 13,565.25/x
  3. Step 3: Cross multiply
    55,118.25x = 82,677.38 × 13,565.25
  4. Step 4: Simplify right side
    55,118.25x = 1,121,539,329.05
  5. Step 5: Solve for x
    x = 1,121,539,329.05/55,118.25
  6. Step 6: Final answer
    x = 20,347.88

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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.