Home / 54,036.55-74,570.15-31,381.10

Finding the Fourth Proportional to 54,036.55, 74,570.15 and 31,381.10

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Solution

The fourth proportional to 54,036.55, 74,570.15 and 31,381.10 is: 43,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.55 : 74,570.15 = 31,381.10 : x
  2. Step 2: Convert to fraction form
    54,036.55/74,570.15 = 31,381.10/x
  3. Step 3: Cross multiply
    54,036.55x = 74,570.15 × 31,381.10
  4. Step 4: Simplify right side
    54,036.55x = 2,340,093,363.68
  5. Step 5: Solve for x
    x = 2,340,093,363.68/54,036.55
  6. Step 6: Final answer
    x = 43,305.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.