Home / 49,652.12-68,512.32-28,140.63

Finding the Fourth Proportional to 49,652.12, 68,512.32 and 28,140.63

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Solution

The fourth proportional to 49,652.12, 68,512.32 and 28,140.63 is: 38,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,652.12 : 68,512.32 = 28,140.63 : x
  2. Step 2: Convert to fraction form
    49,652.12/68,512.32 = 28,140.63/x
  3. Step 3: Cross multiply
    49,652.12x = 68,512.32 × 28,140.63
  4. Step 4: Simplify right side
    49,652.12x = 1,927,979,847.56
  5. Step 5: Solve for x
    x = 1,927,979,847.56/49,652.12
  6. Step 6: Final answer
    x = 38,829.76

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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.