Home / 49,187.40-73,781.10-12,251.40

Finding the Fourth Proportional to 49,187.40, 73,781.10 and 12,251.40

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Solution

The fourth proportional to 49,187.40, 73,781.10 and 12,251.40 is: 18,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,187.40 : 73,781.10 = 12,251.40 : x
  2. Step 2: Convert to fraction form
    49,187.40/73,781.10 = 12,251.40/x
  3. Step 3: Cross multiply
    49,187.40x = 73,781.10 × 12,251.40
  4. Step 4: Simplify right side
    49,187.40x = 903,921,768.54
  5. Step 5: Solve for x
    x = 903,921,768.54/49,187.40
  6. Step 6: Final answer
    x = 18,377.10

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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.