Home / 38,832.85-58,249.41-11,815.45

Finding the Fourth Proportional to 38,832.85, 58,249.41 and 11,815.45

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Solution

The fourth proportional to 38,832.85, 58,249.41 and 11,815.45 is: 17,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,832.85 : 58,249.41 = 11,815.45 : x
  2. Step 2: Convert to fraction form
    38,832.85/58,249.41 = 11,815.45/x
  3. Step 3: Cross multiply
    38,832.85x = 58,249.41 × 11,815.45
  4. Step 4: Simplify right side
    38,832.85x = 688,243,195.57
  5. Step 5: Solve for x
    x = 688,243,195.57/38,832.85
  6. Step 6: Final answer
    x = 17,723.22

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1.5x scale

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.