Home / 40,215.52-60,224.80-20,503.36

Finding the Fourth Proportional to 40,215.52, 60,224.80 and 20,503.36

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Solution

The fourth proportional to 40,215.52, 60,224.80 and 20,503.36 is: 30,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.52 : 60,224.80 = 20,503.36 : x
  2. Step 2: Convert to fraction form
    40,215.52/60,224.80 = 20,503.36/x
  3. Step 3: Cross multiply
    40,215.52x = 60,224.80 × 20,503.36
  4. Step 4: Simplify right side
    40,215.52x = 1,234,810,755.33
  5. Step 5: Solve for x
    x = 1,234,810,755.33/40,215.52
  6. Step 6: Final answer
    x = 30,704.83

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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.