Home / 54,318.89-74,956.96-31,661.57

Finding the Fourth Proportional to 54,318.89, 74,956.96 and 31,661.57

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Solution

The fourth proportional to 54,318.89, 74,956.96 and 31,661.57 is: 43,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,318.89 : 74,956.96 = 31,661.57 : x
  2. Step 2: Convert to fraction form
    54,318.89/74,956.96 = 31,661.57/x
  3. Step 3: Cross multiply
    54,318.89x = 74,956.96 × 31,661.57
  4. Step 4: Simplify right side
    54,318.89x = 2,373,255,036.03
  5. Step 5: Solve for x
    x = 2,373,255,036.03/54,318.89
  6. Step 6: Final answer
    x = 43,691.15

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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.