Home / 54,400.29-81,441.99-40,422.30

Finding the Fourth Proportional to 54,400.29, 81,441.99 and 40,422.30

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Solution

The fourth proportional to 54,400.29, 81,441.99 and 40,422.30 is: 60,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,400.29 : 81,441.99 = 40,422.30 : x
  2. Step 2: Convert to fraction form
    54,400.29/81,441.99 = 40,422.30/x
  3. Step 3: Cross multiply
    54,400.29x = 81,441.99 × 40,422.30
  4. Step 4: Simplify right side
    54,400.29x = 3,292,072,552.38
  5. Step 5: Solve for x
    x = 3,292,072,552.38/54,400.29
  6. Step 6: Final answer
    x = 60,515.72

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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.