Home / 54,187.60-81,280.86-14,744.38

Finding the Fourth Proportional to 54,187.60, 81,280.86 and 14,744.38

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Solution

The fourth proportional to 54,187.60, 81,280.86 and 14,744.38 is: 22,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.60 : 81,280.86 = 14,744.38 : x
  2. Step 2: Convert to fraction form
    54,187.60/81,280.86 = 14,744.38/x
  3. Step 3: Cross multiply
    54,187.60x = 81,280.86 × 14,744.38
  4. Step 4: Simplify right side
    54,187.60x = 1,198,435,886.57
  5. Step 5: Solve for x
    x = 1,198,435,886.57/54,187.60
  6. Step 6: Final answer
    x = 22,116.42

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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.