Home / 54,780.20-82,113.60-29,767.40

Finding the Fourth Proportional to 54,780.20, 82,113.60 and 29,767.40

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Solution

The fourth proportional to 54,780.20, 82,113.60 and 29,767.40 is: 44,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.20 : 82,113.60 = 29,767.40 : x
  2. Step 2: Convert to fraction form
    54,780.20/82,113.60 = 29,767.40/x
  3. Step 3: Cross multiply
    54,780.20x = 82,113.60 × 29,767.40
  4. Step 4: Simplify right side
    54,780.20x = 2,444,308,376.64
  5. Step 5: Solve for x
    x = 2,444,308,376.64/54,780.20
  6. Step 6: Final answer
    x = 44,620.29

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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.