Home / 49,812.95-68,740.97-28,590.54

Finding the Fourth Proportional to 49,812.95, 68,740.97 and 28,590.54

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Solution

The fourth proportional to 49,812.95, 68,740.97 and 28,590.54 is: 39,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,812.95 : 68,740.97 = 28,590.54 : x
  2. Step 2: Convert to fraction form
    49,812.95/68,740.97 = 28,590.54/x
  3. Step 3: Cross multiply
    49,812.95x = 68,740.97 × 28,590.54
  4. Step 4: Simplify right side
    49,812.95x = 1,965,341,309.47
  5. Step 5: Solve for x
    x = 1,965,341,309.47/49,812.95
  6. Step 6: Final answer
    x = 39,454.43

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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.