Home / 68,872.22-95,036.36-38,660.87

Finding the Fourth Proportional to 68,872.22, 95,036.36 and 38,660.87

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Solution

The fourth proportional to 68,872.22, 95,036.36 and 38,660.87 is: 53,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,872.22 : 95,036.36 = 38,660.87 : x
  2. Step 2: Convert to fraction form
    68,872.22/95,036.36 = 38,660.87/x
  3. Step 3: Cross multiply
    68,872.22x = 95,036.36 × 38,660.87
  4. Step 4: Simplify right side
    68,872.22x = 3,674,188,359.23
  5. Step 5: Solve for x
    x = 3,674,188,359.23/68,872.22
  6. Step 6: Final answer
    x = 53,347.90

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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.