Home / 49,839.56-74,769.60-20,257.34

Finding the Fourth Proportional to 49,839.56, 74,769.60 and 20,257.34

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Solution

The fourth proportional to 49,839.56, 74,769.60 and 20,257.34 is: 30,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,839.56 : 74,769.60 = 20,257.34 : x
  2. Step 2: Convert to fraction form
    49,839.56/74,769.60 = 20,257.34/x
  3. Step 3: Cross multiply
    49,839.56x = 74,769.60 × 20,257.34
  4. Step 4: Simplify right side
    49,839.56x = 1,514,633,208.86
  5. Step 5: Solve for x
    x = 1,514,633,208.86/49,839.56
  6. Step 6: Final answer
    x = 30,390.18

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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.