Home / 34,016.70-51,015.78-21,517.92

Finding the Fourth Proportional to 34,016.70, 51,015.78 and 21,517.92

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Solution

The fourth proportional to 34,016.70, 51,015.78 and 21,517.92 is: 32,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,016.70 : 51,015.78 = 21,517.92 : x
  2. Step 2: Convert to fraction form
    34,016.70/51,015.78 = 21,517.92/x
  3. Step 3: Cross multiply
    34,016.70x = 51,015.78 × 21,517.92
  4. Step 4: Simplify right side
    34,016.70x = 1,097,753,472.78
  5. Step 5: Solve for x
    x = 1,097,753,472.78/34,016.70
  6. Step 6: Final answer
    x = 32,271.02

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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.