Home / 36,061.20-54,091.80-31,201.20

Finding the Fourth Proportional to 36,061.20, 54,091.80 and 31,201.20

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Solution

The fourth proportional to 36,061.20, 54,091.80 and 31,201.20 is: 46,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,061.20 : 54,091.80 = 31,201.20 : x
  2. Step 2: Convert to fraction form
    36,061.20/54,091.80 = 31,201.20/x
  3. Step 3: Cross multiply
    36,061.20x = 54,091.80 × 31,201.20
  4. Step 4: Simplify right side
    36,061.20x = 1,687,729,070.16
  5. Step 5: Solve for x
    x = 1,687,729,070.16/36,061.20
  6. Step 6: Final answer
    x = 46,801.80

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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.