Home / 40,757.22-61,045.50-31,327.80

Finding the Fourth Proportional to 40,757.22, 61,045.50 and 31,327.80

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Solution

The fourth proportional to 40,757.22, 61,045.50 and 31,327.80 is: 46,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,757.22 : 61,045.50 = 31,327.80 : x
  2. Step 2: Convert to fraction form
    40,757.22/61,045.50 = 31,327.80/x
  3. Step 3: Cross multiply
    40,757.22x = 61,045.50 × 31,327.80
  4. Step 4: Simplify right side
    40,757.22x = 1,912,421,214.90
  5. Step 5: Solve for x
    x = 1,912,421,214.90/40,757.22
  6. Step 6: Final answer
    x = 46,922.27

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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.