Home / 69,268.56-103,910.04-31,822.20

Finding the Fourth Proportional to 69,268.56, 103,910.04 and 31,822.20

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Solution

The fourth proportional to 69,268.56, 103,910.04 and 31,822.20 is: 47,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,268.56 : 103,910.04 = 31,822.20 : x
  2. Step 2: Convert to fraction form
    69,268.56/103,910.04 = 31,822.20/x
  3. Step 3: Cross multiply
    69,268.56x = 103,910.04 × 31,822.20
  4. Step 4: Simplify right side
    69,268.56x = 3,306,646,074.89
  5. Step 5: Solve for x
    x = 3,306,646,074.89/69,268.56
  6. Step 6: Final answer
    x = 47,736.61

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1.5x scale

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.