Home / 71,171.26-98,212.50-39,338.26

Finding the Fourth Proportional to 71,171.26, 98,212.50 and 39,338.26

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Solution

The fourth proportional to 71,171.26, 98,212.50 and 39,338.26 is: 54,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,171.26 : 98,212.50 = 39,338.26 : x
  2. Step 2: Convert to fraction form
    71,171.26/98,212.50 = 39,338.26/x
  3. Step 3: Cross multiply
    71,171.26x = 98,212.50 × 39,338.26
  4. Step 4: Simplify right side
    71,171.26x = 3,863,508,614.72
  5. Step 5: Solve for x
    x = 3,863,508,614.72/71,171.26
  6. Step 6: Final answer
    x = 54,284.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.