Home / 54,367.29-81,571.68-21,110.69

Finding the Fourth Proportional to 54,367.29, 81,571.68 and 21,110.69

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Solution

The fourth proportional to 54,367.29, 81,571.68 and 21,110.69 is: 31,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367.29 : 81,571.68 = 21,110.69 : x
  2. Step 2: Convert to fraction form
    54,367.29/81,571.68 = 21,110.69/x
  3. Step 3: Cross multiply
    54,367.29x = 81,571.68 × 21,110.69
  4. Step 4: Simplify right side
    54,367.29x = 1,722,034,041.40
  5. Step 5: Solve for x
    x = 1,722,034,041.40/54,367.29
  6. Step 6: Final answer
    x = 31,674.08

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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.