Home / 50,939.22-70,292.78-28,277.11

Finding the Fourth Proportional to 50,939.22, 70,292.78 and 28,277.11

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Solution

The fourth proportional to 50,939.22, 70,292.78 and 28,277.11 is: 39,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,939.22 : 70,292.78 = 28,277.11 : x
  2. Step 2: Convert to fraction form
    50,939.22/70,292.78 = 28,277.11/x
  3. Step 3: Cross multiply
    50,939.22x = 70,292.78 × 28,277.11
  4. Step 4: Simplify right side
    50,939.22x = 1,987,676,724.79
  5. Step 5: Solve for x
    x = 1,987,676,724.79/50,939.22
  6. Step 6: Final answer
    x = 39,020.55

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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.