Home / 51,919.80-77,879.70-34,205.10

Finding the Fourth Proportional to 51,919.80, 77,879.70 and 34,205.10

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Solution

The fourth proportional to 51,919.80, 77,879.70 and 34,205.10 is: 51,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,919.80 : 77,879.70 = 34,205.10 : x
  2. Step 2: Convert to fraction form
    51,919.80/77,879.70 = 34,205.10/x
  3. Step 3: Cross multiply
    51,919.80x = 77,879.70 × 34,205.10
  4. Step 4: Simplify right side
    51,919.80x = 2,663,882,926.47
  5. Step 5: Solve for x
    x = 2,663,882,926.47/51,919.80
  6. Step 6: Final answer
    x = 51,307.65

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Similar ratio
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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.