Home / 51,373.20-77,010.60-21,750.30

Finding the Fourth Proportional to 51,373.20, 77,010.60 and 21,750.30

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Solution

The fourth proportional to 51,373.20, 77,010.60 and 21,750.30 is: 32,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373.20 : 77,010.60 = 21,750.30 : x
  2. Step 2: Convert to fraction form
    51,373.20/77,010.60 = 21,750.30/x
  3. Step 3: Cross multiply
    51,373.20x = 77,010.60 × 21,750.30
  4. Step 4: Simplify right side
    51,373.20x = 1,675,003,653.18
  5. Step 5: Solve for x
    x = 1,675,003,653.18/51,373.20
  6. Step 6: Final answer
    x = 32,604.62

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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.