Home / 31,845.56-47,762.12-30,265.04

Finding the Fourth Proportional to 31,845.56, 47,762.12 and 30,265.04

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Solution

The fourth proportional to 31,845.56, 47,762.12 and 30,265.04 is: 45,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.56 : 47,762.12 = 30,265.04 : x
  2. Step 2: Convert to fraction form
    31,845.56/47,762.12 = 30,265.04/x
  3. Step 3: Cross multiply
    31,845.56x = 47,762.12 × 30,265.04
  4. Step 4: Simplify right side
    31,845.56x = 1,445,522,472.28
  5. Step 5: Solve for x
    x = 1,445,522,472.28/31,845.56
  6. Step 6: Final answer
    x = 45,391.65

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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.