Home / 51,377.63-77,110.19-20,234.75

Finding the Fourth Proportional to 51,377.63, 77,110.19 and 20,234.75

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Solution

The fourth proportional to 51,377.63, 77,110.19 and 20,234.75 is: 30,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,377.63 : 77,110.19 = 20,234.75 : x
  2. Step 2: Convert to fraction form
    51,377.63/77,110.19 = 20,234.75/x
  3. Step 3: Cross multiply
    51,377.63x = 77,110.19 × 20,234.75
  4. Step 4: Simplify right side
    51,377.63x = 1,560,305,315.93
  5. Step 5: Solve for x
    x = 1,560,305,315.93/51,377.63
  6. Step 6: Final answer
    x = 30,369.35

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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.