Home / 20,074.02-30,110.82-5,282.61

Finding the Fourth Proportional to 20,074.02, 30,110.82 and 5,282.61

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Solution

The fourth proportional to 20,074.02, 30,110.82 and 5,282.61 is: 7,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.02 : 30,110.82 = 5,282.61 : x
  2. Step 2: Convert to fraction form
    20,074.02/30,110.82 = 5,282.61/x
  3. Step 3: Cross multiply
    20,074.02x = 30,110.82 × 5,282.61
  4. Step 4: Simplify right side
    20,074.02x = 159,063,718.84
  5. Step 5: Solve for x
    x = 159,063,718.84/20,074.02
  6. Step 6: Final answer
    x = 7,923.86

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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.