Home / 54,343.20-81,514.80-41,221.20

Finding the Fourth Proportional to 54,343.20, 81,514.80 and 41,221.20

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Solution

The fourth proportional to 54,343.20, 81,514.80 and 41,221.20 is: 61,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.20 : 81,514.80 = 41,221.20 : x
  2. Step 2: Convert to fraction form
    54,343.20/81,514.80 = 41,221.20/x
  3. Step 3: Cross multiply
    54,343.20x = 81,514.80 × 41,221.20
  4. Step 4: Simplify right side
    54,343.20x = 3,360,137,873.76
  5. Step 5: Solve for x
    x = 3,360,137,873.76/54,343.20
  6. Step 6: Final answer
    x = 61,831.80

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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.