Home / 31,951.28-47,645.42-29,735.12

Finding the Fourth Proportional to 31,951.28, 47,645.42 and 29,735.12

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Solution

The fourth proportional to 31,951.28, 47,645.42 and 29,735.12 is: 44,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951.28 : 47,645.42 = 29,735.12 : x
  2. Step 2: Convert to fraction form
    31,951.28/47,645.42 = 29,735.12/x
  3. Step 3: Cross multiply
    31,951.28x = 47,645.42 × 29,735.12
  4. Step 4: Simplify right side
    31,951.28x = 1,416,742,281.15
  5. Step 5: Solve for x
    x = 1,416,742,281.15/31,951.28
  6. Step 6: Final answer
    x = 44,340.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.