Home / 49,760.75-68,667.05-28,244.79

Finding the Fourth Proportional to 49,760.75, 68,667.05 and 28,244.79

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Solution

The fourth proportional to 49,760.75, 68,667.05 and 28,244.79 is: 38,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,760.75 : 68,667.05 = 28,244.79 : x
  2. Step 2: Convert to fraction form
    49,760.75/68,667.05 = 28,244.79/x
  3. Step 3: Cross multiply
    49,760.75x = 68,667.05 × 28,244.79
  4. Step 4: Simplify right side
    49,760.75x = 1,939,486,265.95
  5. Step 5: Solve for x
    x = 1,939,486,265.95/49,760.75
  6. Step 6: Final answer
    x = 38,976.23

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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.