Home / 54,432.39-81,631.31-17,487.75

Finding the Fourth Proportional to 54,432.39, 81,631.31 and 17,487.75

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Solution

The fourth proportional to 54,432.39, 81,631.31 and 17,487.75 is: 26,226.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432.39 : 81,631.31 = 17,487.75 : x
  2. Step 2: Convert to fraction form
    54,432.39/81,631.31 = 17,487.75/x
  3. Step 3: Cross multiply
    54,432.39x = 81,631.31 × 17,487.75
  4. Step 4: Simplify right side
    54,432.39x = 1,427,547,854.01
  5. Step 5: Solve for x
    x = 1,427,547,854.01/54,432.39
  6. Step 6: Final answer
    x = 26,226.07

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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.