Home / 49,750.68-68,652.45-28,240.86

Finding the Fourth Proportional to 49,750.68, 68,652.45 and 28,240.86

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Solution

The fourth proportional to 49,750.68, 68,652.45 and 28,240.86 is: 38,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,750.68 : 68,652.45 = 28,240.86 : x
  2. Step 2: Convert to fraction form
    49,750.68/68,652.45 = 28,240.86/x
  3. Step 3: Cross multiply
    49,750.68x = 68,652.45 × 28,240.86
  4. Step 4: Simplify right side
    49,750.68x = 1,938,804,229.11
  5. Step 5: Solve for x
    x = 1,938,804,229.11/49,750.68
  6. Step 6: Final answer
    x = 38,970.41

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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.