Home / 40,810.80-61,112.52-22,321.20

Finding the Fourth Proportional to 40,810.80, 61,112.52 and 22,321.20

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Solution

The fourth proportional to 40,810.80, 61,112.52 and 22,321.20 is: 33,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,810.80 : 61,112.52 = 22,321.20 : x
  2. Step 2: Convert to fraction form
    40,810.80/61,112.52 = 22,321.20/x
  3. Step 3: Cross multiply
    40,810.80x = 61,112.52 × 22,321.20
  4. Step 4: Simplify right side
    40,810.80x = 1,364,104,781.42
  5. Step 5: Solve for x
    x = 1,364,104,781.42/40,810.80
  6. Step 6: Final answer
    x = 33,425.09

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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.