Home / 54,217.89-81,299.55-22,619.76

Finding the Fourth Proportional to 54,217.89, 81,299.55 and 22,619.76

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Solution

The fourth proportional to 54,217.89, 81,299.55 and 22,619.76 is: 33,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.89 : 81,299.55 = 22,619.76 : x
  2. Step 2: Convert to fraction form
    54,217.89/81,299.55 = 22,619.76/x
  3. Step 3: Cross multiply
    54,217.89x = 81,299.55 × 22,619.76
  4. Step 4: Simplify right side
    54,217.89x = 1,838,976,309.11
  5. Step 5: Solve for x
    x = 1,838,976,309.11/54,217.89
  6. Step 6: Final answer
    x = 33,918.26

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1.5x scale

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.