Home / 69,135.56-95,416.38-38,926.88

Finding the Fourth Proportional to 69,135.56, 95,416.38 and 38,926.88

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Solution

The fourth proportional to 69,135.56, 95,416.38 and 38,926.88 is: 53,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.56 : 95,416.38 = 38,926.88 : x
  2. Step 2: Convert to fraction form
    69,135.56/95,416.38 = 38,926.88/x
  3. Step 3: Cross multiply
    69,135.56x = 95,416.38 × 38,926.88
  4. Step 4: Simplify right side
    69,135.56x = 3,714,261,974.29
  5. Step 5: Solve for x
    x = 3,714,261,974.29/69,135.56
  6. Step 6: Final answer
    x = 53,724.33

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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.