Home / 69,326.40-95,682.20-39,120.29

Finding the Fourth Proportional to 69,326.40, 95,682.20 and 39,120.29

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Solution

The fourth proportional to 69,326.40, 95,682.20 and 39,120.29 is: 53,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,326.40 : 95,682.20 = 39,120.29 : x
  2. Step 2: Convert to fraction form
    69,326.40/95,682.20 = 39,120.29/x
  3. Step 3: Cross multiply
    69,326.40x = 95,682.20 × 39,120.29
  4. Step 4: Simplify right side
    69,326.40x = 3,743,114,737.83
  5. Step 5: Solve for x
    x = 3,743,114,737.83/69,326.40
  6. Step 6: Final answer
    x = 53,992.63

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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.