Home / 54,054.28-81,081.71-35,452.12

Finding the Fourth Proportional to 54,054.28, 81,081.71 and 35,452.12

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Solution

The fourth proportional to 54,054.28, 81,081.71 and 35,452.12 is: 53,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.28 : 81,081.71 = 35,452.12 : x
  2. Step 2: Convert to fraction form
    54,054.28/81,081.71 = 35,452.12/x
  3. Step 3: Cross multiply
    54,054.28x = 81,081.71 × 35,452.12
  4. Step 4: Simplify right side
    54,054.28x = 2,874,518,047.20
  5. Step 5: Solve for x
    x = 2,874,518,047.20/54,054.28
  6. Step 6: Final answer
    x = 53,178.36

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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.