Home / 68,972.36-95,178.24-38,758.88

Finding the Fourth Proportional to 68,972.36, 95,178.24 and 38,758.88

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Solution

The fourth proportional to 68,972.36, 95,178.24 and 38,758.88 is: 53,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,972.36 : 95,178.24 = 38,758.88 : x
  2. Step 2: Convert to fraction form
    68,972.36/95,178.24 = 38,758.88/x
  3. Step 3: Cross multiply
    68,972.36x = 95,178.24 × 38,758.88
  4. Step 4: Simplify right side
    68,972.36x = 3,689,001,982.77
  5. Step 5: Solve for x
    x = 3,689,001,982.77/68,972.36
  6. Step 6: Final answer
    x = 53,485.22

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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.