Home / 54,386.82-81,581.13-14,943.69

Finding the Fourth Proportional to 54,386.82, 81,581.13 and 14,943.69

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Solution

The fourth proportional to 54,386.82, 81,581.13 and 14,943.69 is: 22,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,386.82 : 81,581.13 = 14,943.69 : x
  2. Step 2: Convert to fraction form
    54,386.82/81,581.13 = 14,943.69/x
  3. Step 3: Cross multiply
    54,386.82x = 81,581.13 × 14,943.69
  4. Step 4: Simplify right side
    54,386.82x = 1,219,123,116.57
  5. Step 5: Solve for x
    x = 1,219,123,116.57/54,386.82
  6. Step 6: Final answer
    x = 22,415.78

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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.