Home / 54,269.04-81,305.13-40,072.66

Finding the Fourth Proportional to 54,269.04, 81,305.13 and 40,072.66

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Solution

The fourth proportional to 54,269.04, 81,305.13 and 40,072.66 is: 60,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,269.04 : 81,305.13 = 40,072.66 : x
  2. Step 2: Convert to fraction form
    54,269.04/81,305.13 = 40,072.66/x
  3. Step 3: Cross multiply
    54,269.04x = 81,305.13 × 40,072.66
  4. Step 4: Simplify right side
    54,269.04x = 3,258,112,630.38
  5. Step 5: Solve for x
    x = 3,258,112,630.38/54,269.04
  6. Step 6: Final answer
    x = 60,036.30

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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.