Home / 52,872.24-72,956.96-30,212.70

Finding the Fourth Proportional to 52,872.24, 72,956.96 and 30,212.70

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Solution

The fourth proportional to 52,872.24, 72,956.96 and 30,212.70 is: 41,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,872.24 : 72,956.96 = 30,212.70 : x
  2. Step 2: Convert to fraction form
    52,872.24/72,956.96 = 30,212.70/x
  3. Step 3: Cross multiply
    52,872.24x = 72,956.96 × 30,212.70
  4. Step 4: Simplify right side
    52,872.24x = 2,204,226,745.39
  5. Step 5: Solve for x
    x = 2,204,226,745.39/52,872.24
  6. Step 6: Final answer
    x = 41,689.68

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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.