Home / 64,049.92-88,390.38-40,177.60

Finding the Fourth Proportional to 64,049.92, 88,390.38 and 40,177.60

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Solution

The fourth proportional to 64,049.92, 88,390.38 and 40,177.60 is: 55,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,049.92 : 88,390.38 = 40,177.60 : x
  2. Step 2: Convert to fraction form
    64,049.92/88,390.38 = 40,177.60/x
  3. Step 3: Cross multiply
    64,049.92x = 88,390.38 × 40,177.60
  4. Step 4: Simplify right side
    64,049.92x = 3,551,313,331.49
  5. Step 5: Solve for x
    x = 3,551,313,331.49/64,049.92
  6. Step 6: Final answer
    x = 55,446.02

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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.