Home / 67,264.72-100,896.80-20,517.44

Finding the Fourth Proportional to 67,264.72, 100,896.80 and 20,517.44

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Solution

The fourth proportional to 67,264.72, 100,896.80 and 20,517.44 is: 30,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,264.72 : 100,896.80 = 20,517.44 : x
  2. Step 2: Convert to fraction form
    67,264.72/100,896.80 = 20,517.44/x
  3. Step 3: Cross multiply
    67,264.72x = 100,896.80 × 20,517.44
  4. Step 4: Simplify right side
    67,264.72x = 2,070,144,040.19
  5. Step 5: Solve for x
    x = 2,070,144,040.19/67,264.72
  6. Step 6: Final answer
    x = 30,776.07

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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.