Home / 56,065.38-84,112.28-18,625.64

Finding the Fourth Proportional to 56,065.38, 84,112.28 and 18,625.64

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Solution

The fourth proportional to 56,065.38, 84,112.28 and 18,625.64 is: 27,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,065.38 : 84,112.28 = 18,625.64 : x
  2. Step 2: Convert to fraction form
    56,065.38/84,112.28 = 18,625.64/x
  3. Step 3: Cross multiply
    56,065.38x = 84,112.28 × 18,625.64
  4. Step 4: Simplify right side
    56,065.38x = 1,566,645,046.86
  5. Step 5: Solve for x
    x = 1,566,645,046.86/56,065.38
  6. Step 6: Final answer
    x = 27,943.18

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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.