Home / 80,016.62-120,024.96-20,852.14

Finding the Fourth Proportional to 80,016.62, 120,024.96 and 20,852.14

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Solution

The fourth proportional to 80,016.62, 120,024.96 and 20,852.14 is: 31,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,016.62 : 120,024.96 = 20,852.14 : x
  2. Step 2: Convert to fraction form
    80,016.62/120,024.96 = 20,852.14/x
  3. Step 3: Cross multiply
    80,016.62x = 120,024.96 × 20,852.14
  4. Step 4: Simplify right side
    80,016.62x = 2,502,776,721.42
  5. Step 5: Solve for x
    x = 2,502,776,721.42/80,016.62
  6. Step 6: Final answer
    x = 31,278.21

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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.