Home / 38,848.11-58,240.53-12,180.42

Finding the Fourth Proportional to 38,848.11, 58,240.53 and 12,180.42

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Solution

The fourth proportional to 38,848.11, 58,240.53 and 12,180.42 is: 18,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848.11 : 58,240.53 = 12,180.42 : x
  2. Step 2: Convert to fraction form
    38,848.11/58,240.53 = 12,180.42/x
  3. Step 3: Cross multiply
    38,848.11x = 58,240.53 × 12,180.42
  4. Step 4: Simplify right side
    38,848.11x = 709,394,116.42
  5. Step 5: Solve for x
    x = 709,394,116.42/38,848.11
  6. Step 6: Final answer
    x = 18,260.71

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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.