Home / 47,249.13-65,189.85-28,113.56

Finding the Fourth Proportional to 47,249.13, 65,189.85 and 28,113.56

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Solution

The fourth proportional to 47,249.13, 65,189.85 and 28,113.56 is: 38,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,249.13 : 65,189.85 = 28,113.56 : x
  2. Step 2: Convert to fraction form
    47,249.13/65,189.85 = 28,113.56/x
  3. Step 3: Cross multiply
    47,249.13x = 65,189.85 × 28,113.56
  4. Step 4: Simplify right side
    47,249.13x = 1,832,719,097.28
  5. Step 5: Solve for x
    x = 1,832,719,097.28/47,249.13
  6. Step 6: Final answer
    x = 38,788.42

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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.