Home / 52,489.08-78,765.46-21,323.52

Finding the Fourth Proportional to 52,489.08, 78,765.46 and 21,323.52

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Solution

The fourth proportional to 52,489.08, 78,765.46 and 21,323.52 is: 31,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.08 : 78,765.46 = 21,323.52 : x
  2. Step 2: Convert to fraction form
    52,489.08/78,765.46 = 21,323.52/x
  3. Step 3: Cross multiply
    52,489.08x = 78,765.46 × 21,323.52
  4. Step 4: Simplify right side
    52,489.08x = 1,679,556,861.62
  5. Step 5: Solve for x
    x = 1,679,556,861.62/52,489.08
  6. Step 6: Final answer
    x = 31,998.21

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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.