Home / 51,244.80-76,834.07-20,083.20

Finding the Fourth Proportional to 51,244.80, 76,834.07 and 20,083.20

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Solution

The fourth proportional to 51,244.80, 76,834.07 and 20,083.20 is: 30,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,244.80 : 76,834.07 = 20,083.20 : x
  2. Step 2: Convert to fraction form
    51,244.80/76,834.07 = 20,083.20/x
  3. Step 3: Cross multiply
    51,244.80x = 76,834.07 × 20,083.20
  4. Step 4: Simplify right side
    51,244.80x = 1,543,073,994.62
  5. Step 5: Solve for x
    x = 1,543,073,994.62/51,244.80
  6. Step 6: Final answer
    x = 30,111.82

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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.