Home / 50,478.97-75,753.59-20,896.96

Finding the Fourth Proportional to 50,478.97, 75,753.59 and 20,896.96

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Solution

The fourth proportional to 50,478.97, 75,753.59 and 20,896.96 is: 31,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,478.97 : 75,753.59 = 20,896.96 : x
  2. Step 2: Convert to fraction form
    50,478.97/75,753.59 = 20,896.96/x
  3. Step 3: Cross multiply
    50,478.97x = 75,753.59 × 20,896.96
  4. Step 4: Simplify right side
    50,478.97x = 1,583,019,446.22
  5. Step 5: Solve for x
    x = 1,583,019,446.22/50,478.97
  6. Step 6: Final answer
    x = 31,359.98

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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.