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Finding the Fourth Proportional to 50,249.76, 75,374.56 and 39,164.76

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Solution

The fourth proportional to 50,249.76, 75,374.56 and 39,164.76 is: 58,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,249.76 : 75,374.56 = 39,164.76 : x
  2. Step 2: Convert to fraction form
    50,249.76/75,374.56 = 39,164.76/x
  3. Step 3: Cross multiply
    50,249.76x = 75,374.56 × 39,164.76
  4. Step 4: Simplify right side
    50,249.76x = 2,952,026,454.59
  5. Step 5: Solve for x
    x = 2,952,026,454.59/50,249.76
  6. Step 6: Final answer
    x = 58,747.08

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Double scale
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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.