Home / 71,025.20-98,015.24-39,195.20

Finding the Fourth Proportional to 71,025.20, 98,015.24 and 39,195.20

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Solution

The fourth proportional to 71,025.20, 98,015.24 and 39,195.20 is: 54,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.20 : 98,015.24 = 39,195.20 : x
  2. Step 2: Convert to fraction form
    71,025.20/98,015.24 = 39,195.20/x
  3. Step 3: Cross multiply
    71,025.20x = 98,015.24 × 39,195.20
  4. Step 4: Simplify right side
    71,025.20x = 3,841,726,934.85
  5. Step 5: Solve for x
    x = 3,841,726,934.85/71,025.20
  6. Step 6: Final answer
    x = 54,089.63

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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.