Home / 54,620.84-75,376.92-30,747.88

Finding the Fourth Proportional to 54,620.84, 75,376.92 and 30,747.88

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Solution

The fourth proportional to 54,620.84, 75,376.92 and 30,747.88 is: 42,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.84 : 75,376.92 = 30,747.88 : x
  2. Step 2: Convert to fraction form
    54,620.84/75,376.92 = 30,747.88/x
  3. Step 3: Cross multiply
    54,620.84x = 75,376.92 × 30,747.88
  4. Step 4: Simplify right side
    54,620.84x = 2,317,680,490.93
  5. Step 5: Solve for x
    x = 2,317,680,490.93/54,620.84
  6. Step 6: Final answer
    x = 42,432.16

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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.