Home / 54,594.18-81,874.80-21,305.25

Finding the Fourth Proportional to 54,594.18, 81,874.80 and 21,305.25

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Solution

The fourth proportional to 54,594.18, 81,874.80 and 21,305.25 is: 31,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,594.18 : 81,874.80 = 21,305.25 : x
  2. Step 2: Convert to fraction form
    54,594.18/81,874.80 = 21,305.25/x
  3. Step 3: Cross multiply
    54,594.18x = 81,874.80 × 21,305.25
  4. Step 4: Simplify right side
    54,594.18x = 1,744,363,082.70
  5. Step 5: Solve for x
    x = 1,744,363,082.70/54,594.18
  6. Step 6: Final answer
    x = 31,951.45

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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.