Home / 51,377.13-77,109.44-20,234.25

Finding the Fourth Proportional to 51,377.13, 77,109.44 and 20,234.25

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Solution

The fourth proportional to 51,377.13, 77,109.44 and 20,234.25 is: 30,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,377.13 : 77,109.44 = 20,234.25 : x
  2. Step 2: Convert to fraction form
    51,377.13/77,109.44 = 20,234.25/x
  3. Step 3: Cross multiply
    51,377.13x = 77,109.44 × 20,234.25
  4. Step 4: Simplify right side
    51,377.13x = 1,560,251,585.15
  5. Step 5: Solve for x
    x = 1,560,251,585.15/51,377.13
  6. Step 6: Final answer
    x = 30,368.60

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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.