Home / 49,519.72-74,314.86-19,945.48

Finding the Fourth Proportional to 49,519.72, 74,314.86 and 19,945.48

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Solution

The fourth proportional to 49,519.72, 74,314.86 and 19,945.48 is: 29,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,519.72 : 74,314.86 = 19,945.48 : x
  2. Step 2: Convert to fraction form
    49,519.72/74,314.86 = 19,945.48/x
  3. Step 3: Cross multiply
    49,519.72x = 74,314.86 × 19,945.48
  4. Step 4: Simplify right side
    49,519.72x = 1,482,245,553.83
  5. Step 5: Solve for x
    x = 1,482,245,553.83/49,519.72
  6. Step 6: Final answer
    x = 29,932.43

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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.