Home / 40,761.72-61,052.25-31,332.30

Finding the Fourth Proportional to 40,761.72, 61,052.25 and 31,332.30

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Solution

The fourth proportional to 40,761.72, 61,052.25 and 31,332.30 is: 46,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,761.72 : 61,052.25 = 31,332.30 : x
  2. Step 2: Convert to fraction form
    40,761.72/61,052.25 = 31,332.30/x
  3. Step 3: Cross multiply
    40,761.72x = 61,052.25 × 31,332.30
  4. Step 4: Simplify right side
    40,761.72x = 1,912,907,412.68
  5. Step 5: Solve for x
    x = 1,912,907,412.68/40,761.72
  6. Step 6: Final answer
    x = 46,929.02

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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.