Home / 52,236.72-78,358.93-18,956.97

Finding the Fourth Proportional to 52,236.72, 78,358.93 and 18,956.97

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Solution

The fourth proportional to 52,236.72, 78,358.93 and 18,956.97 is: 28,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,236.72 : 78,358.93 = 18,956.97 : x
  2. Step 2: Convert to fraction form
    52,236.72/78,358.93 = 18,956.97/x
  3. Step 3: Cross multiply
    52,236.72x = 78,358.93 × 18,956.97
  4. Step 4: Simplify right side
    52,236.72x = 1,485,447,837.85
  5. Step 5: Solve for x
    x = 1,485,447,837.85/52,236.72
  6. Step 6: Final answer
    x = 28,436.85

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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.