Home / 53,919.39-80,805.27-34,211.79

Finding the Fourth Proportional to 53,919.39, 80,805.27 and 34,211.79

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Solution

The fourth proportional to 53,919.39, 80,805.27 and 34,211.79 is: 51,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.39 : 80,805.27 = 34,211.79 : x
  2. Step 2: Convert to fraction form
    53,919.39/80,805.27 = 34,211.79/x
  3. Step 3: Cross multiply
    53,919.39x = 80,805.27 × 34,211.79
  4. Step 4: Simplify right side
    53,919.39x = 2,764,492,928.13
  5. Step 5: Solve for x
    x = 2,764,492,928.13/53,919.39
  6. Step 6: Final answer
    x = 51,270.85

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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.