Home / 34,249.60-47,253.36-20,105.92

Finding the Fourth Proportional to 34,249.60, 47,253.36 and 20,105.92

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Solution

The fourth proportional to 34,249.60, 47,253.36 and 20,105.92 is: 27,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,249.60 : 47,253.36 = 20,105.92 : x
  2. Step 2: Convert to fraction form
    34,249.60/47,253.36 = 20,105.92/x
  3. Step 3: Cross multiply
    34,249.60x = 47,253.36 × 20,105.92
  4. Step 4: Simplify right side
    34,249.60x = 950,072,275.89
  5. Step 5: Solve for x
    x = 950,072,275.89/34,249.60
  6. Step 6: Final answer
    x = 27,739.66

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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.