Home / 36,674.88-55,023.27-21,081.57

Finding the Fourth Proportional to 36,674.88, 55,023.27 and 21,081.57

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Solution

The fourth proportional to 36,674.88, 55,023.27 and 21,081.57 is: 31,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,674.88 : 55,023.27 = 21,081.57 : x
  2. Step 2: Convert to fraction form
    36,674.88/55,023.27 = 21,081.57/x
  3. Step 3: Cross multiply
    36,674.88x = 55,023.27 × 21,081.57
  4. Step 4: Simplify right side
    36,674.88x = 1,159,976,918.13
  5. Step 5: Solve for x
    x = 1,159,976,918.13/36,674.88
  6. Step 6: Final answer
    x = 31,628.65

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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.