Home / 51,354.20-76,974.06-21,351.69

Finding the Fourth Proportional to 51,354.20, 76,974.06 and 21,351.69

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Solution

The fourth proportional to 51,354.20, 76,974.06 and 21,351.69 is: 32,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,354.20 : 76,974.06 = 21,351.69 : x
  2. Step 2: Convert to fraction form
    51,354.20/76,974.06 = 21,351.69/x
  3. Step 3: Cross multiply
    51,354.20x = 76,974.06 × 21,351.69
  4. Step 4: Simplify right side
    51,354.20x = 1,643,526,267.16
  5. Step 5: Solve for x
    x = 1,643,526,267.16/51,354.20
  6. Step 6: Final answer
    x = 32,003.74

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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.