Home / 71,269.29-98,352.50-39,441.15

Finding the Fourth Proportional to 71,269.29, 98,352.50 and 39,441.15

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Solution

The fourth proportional to 71,269.29, 98,352.50 and 39,441.15 is: 54,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269.29 : 98,352.50 = 39,441.15 : x
  2. Step 2: Convert to fraction form
    71,269.29/98,352.50 = 39,441.15/x
  3. Step 3: Cross multiply
    71,269.29x = 98,352.50 × 39,441.15
  4. Step 4: Simplify right side
    71,269.29x = 3,879,135,508.17
  5. Step 5: Solve for x
    x = 3,879,135,508.17/71,269.29
  6. Step 6: Final answer
    x = 54,429.27

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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.