Home / 45,322.91-67,961.02-20,341.54

Finding the Fourth Proportional to 45,322.91, 67,961.02 and 20,341.54

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Solution

The fourth proportional to 45,322.91, 67,961.02 and 20,341.54 is: 30,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,322.91 : 67,961.02 = 20,341.54 : x
  2. Step 2: Convert to fraction form
    45,322.91/67,961.02 = 20,341.54/x
  3. Step 3: Cross multiply
    45,322.91x = 67,961.02 × 20,341.54
  4. Step 4: Simplify right side
    45,322.91x = 1,382,431,755.92
  5. Step 5: Solve for x
    x = 1,382,431,755.92/45,322.91
  6. Step 6: Final answer
    x = 30,501.83

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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.