Home / 45,125.92-67,713.48-20,164.96

Finding the Fourth Proportional to 45,125.92, 67,713.48 and 20,164.96

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Solution

The fourth proportional to 45,125.92, 67,713.48 and 20,164.96 is: 30,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,125.92 : 67,713.48 = 20,164.96 : x
  2. Step 2: Convert to fraction form
    45,125.92/67,713.48 = 20,164.96/x
  3. Step 3: Cross multiply
    45,125.92x = 67,713.48 × 20,164.96
  4. Step 4: Simplify right side
    45,125.92x = 1,365,439,446.38
  5. Step 5: Solve for x
    x = 1,365,439,446.38/45,125.92
  6. Step 6: Final answer
    x = 30,258.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.