Home / 40,757.96-61,046.61-31,328.55

Finding the Fourth Proportional to 40,757.96, 61,046.61 and 31,328.55

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Solution

The fourth proportional to 40,757.96, 61,046.61 and 31,328.55 is: 46,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,757.96 : 61,046.61 = 31,328.55 : x
  2. Step 2: Convert to fraction form
    40,757.96/61,046.61 = 31,328.55/x
  3. Step 3: Cross multiply
    40,757.96x = 61,046.61 × 31,328.55
  4. Step 4: Simplify right side
    40,757.96x = 1,912,501,773.72
  5. Step 5: Solve for x
    x = 1,912,501,773.72/40,757.96
  6. Step 6: Final answer
    x = 46,923.40

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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.