Home / 54,189.11-81,307.01-22,605.39

Finding the Fourth Proportional to 54,189.11, 81,307.01 and 22,605.39

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Solution

The fourth proportional to 54,189.11, 81,307.01 and 22,605.39 is: 33,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,189.11 : 81,307.01 = 22,605.39 : x
  2. Step 2: Convert to fraction form
    54,189.11/81,307.01 = 22,605.39/x
  3. Step 3: Cross multiply
    54,189.11x = 81,307.01 × 22,605.39
  4. Step 4: Simplify right side
    54,189.11x = 1,837,976,264.25
  5. Step 5: Solve for x
    x = 1,837,976,264.25/54,189.11
  6. Step 6: Final answer
    x = 33,917.82

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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.