Home / 36,081.60-54,085.92-13,877.76

Finding the Fourth Proportional to 36,081.60, 54,085.92 and 13,877.76

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Solution

The fourth proportional to 36,081.60, 54,085.92 and 13,877.76 is: 20,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.60 : 54,085.92 = 13,877.76 : x
  2. Step 2: Convert to fraction form
    36,081.60/54,085.92 = 13,877.76/x
  3. Step 3: Cross multiply
    36,081.60x = 54,085.92 × 13,877.76
  4. Step 4: Simplify right side
    36,081.60x = 750,591,417.14
  5. Step 5: Solve for x
    x = 750,591,417.14/36,081.60
  6. Step 6: Final answer
    x = 20,802.61

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1.5x scale

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.