Home / 36,256.60-54,320.10-31,072.60

Finding the Fourth Proportional to 36,256.60, 54,320.10 and 31,072.60

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Solution

The fourth proportional to 36,256.60, 54,320.10 and 31,072.60 is: 46,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,256.60 : 54,320.10 = 31,072.60 : x
  2. Step 2: Convert to fraction form
    36,256.60/54,320.10 = 31,072.60/x
  3. Step 3: Cross multiply
    36,256.60x = 54,320.10 × 31,072.60
  4. Step 4: Simplify right side
    36,256.60x = 1,687,866,739.26
  5. Step 5: Solve for x
    x = 1,687,866,739.26/36,256.60
  6. Step 6: Final answer
    x = 46,553.37

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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.