Home / 36,750.43-55,081.90-21,135.25

Finding the Fourth Proportional to 36,750.43, 55,081.90 and 21,135.25

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Solution

The fourth proportional to 36,750.43, 55,081.90 and 21,135.25 is: 31,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,750.43 : 55,081.90 = 21,135.25 : x
  2. Step 2: Convert to fraction form
    36,750.43/55,081.90 = 21,135.25/x
  3. Step 3: Cross multiply
    36,750.43x = 55,081.90 × 21,135.25
  4. Step 4: Simplify right side
    36,750.43x = 1,164,169,726.98
  5. Step 5: Solve for x
    x = 1,164,169,726.98/36,750.43
  6. Step 6: Final answer
    x = 31,677.72

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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.