Home / 47,351.33-65,341.12-28,229.66

Finding the Fourth Proportional to 47,351.33, 65,341.12 and 28,229.66

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Solution

The fourth proportional to 47,351.33, 65,341.12 and 28,229.66 is: 38,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,351.33 : 65,341.12 = 28,229.66 : x
  2. Step 2: Convert to fraction form
    47,351.33/65,341.12 = 28,229.66/x
  3. Step 3: Cross multiply
    47,351.33x = 65,341.12 × 28,229.66
  4. Step 4: Simplify right side
    47,351.33x = 1,844,557,460.47
  5. Step 5: Solve for x
    x = 1,844,557,460.47/47,351.33
  6. Step 6: Final answer
    x = 38,954.71

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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.