Home / 40,401.96-55,761.38-23,631.72

Finding the Fourth Proportional to 40,401.96, 55,761.38 and 23,631.72

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Solution

The fourth proportional to 40,401.96, 55,761.38 and 23,631.72 is: 32,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.96 : 55,761.38 = 23,631.72 : x
  2. Step 2: Convert to fraction form
    40,401.96/55,761.38 = 23,631.72/x
  3. Step 3: Cross multiply
    40,401.96x = 55,761.38 × 23,631.72
  4. Step 4: Simplify right side
    40,401.96x = 1,317,737,318.97
  5. Step 5: Solve for x
    x = 1,317,737,318.97/40,401.96
  6. Step 6: Final answer
    x = 32,615.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.