Home / 49,753.68-68,656.24-28,240.88

Finding the Fourth Proportional to 49,753.68, 68,656.24 and 28,240.88

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Solution

The fourth proportional to 49,753.68, 68,656.24 and 28,240.88 is: 38,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,753.68 : 68,656.24 = 28,240.88 : x
  2. Step 2: Convert to fraction form
    49,753.68/68,656.24 = 28,240.88/x
  3. Step 3: Cross multiply
    49,753.68x = 68,656.24 × 28,240.88
  4. Step 4: Simplify right side
    49,753.68x = 1,938,912,635.09
  5. Step 5: Solve for x
    x = 1,938,912,635.09/49,753.68
  6. Step 6: Final answer
    x = 38,970.24

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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.