Home / 54,844.56-82,279.80-28,543.32

Finding the Fourth Proportional to 54,844.56, 82,279.80 and 28,543.32

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Solution

The fourth proportional to 54,844.56, 82,279.80 and 28,543.32 is: 42,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,844.56 : 82,279.80 = 28,543.32 : x
  2. Step 2: Convert to fraction form
    54,844.56/82,279.80 = 28,543.32/x
  3. Step 3: Cross multiply
    54,844.56x = 82,279.80 × 28,543.32
  4. Step 4: Simplify right side
    54,844.56x = 2,348,538,660.94
  5. Step 5: Solve for x
    x = 2,348,538,660.94/54,844.56
  6. Step 6: Final answer
    x = 42,821.72

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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.