Home / 52,231.08-78,334.86-18,951.42

Finding the Fourth Proportional to 52,231.08, 78,334.86 and 18,951.42

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Solution

The fourth proportional to 52,231.08, 78,334.86 and 18,951.42 is: 28,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.08 : 78,334.86 = 18,951.42 : x
  2. Step 2: Convert to fraction form
    52,231.08/78,334.86 = 18,951.42/x
  3. Step 3: Cross multiply
    52,231.08x = 78,334.86 × 18,951.42
  4. Step 4: Simplify right side
    52,231.08x = 1,484,556,832.50
  5. Step 5: Solve for x
    x = 1,484,556,832.50/52,231.08
  6. Step 6: Final answer
    x = 28,422.86

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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.