Home / 40,944.58-61,403.79-15,978.55

Finding the Fourth Proportional to 40,944.58, 61,403.79 and 15,978.55

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Solution

The fourth proportional to 40,944.58, 61,403.79 and 15,978.55 is: 23,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.58 : 61,403.79 = 15,978.55 : x
  2. Step 2: Convert to fraction form
    40,944.58/61,403.79 = 15,978.55/x
  3. Step 3: Cross multiply
    40,944.58x = 61,403.79 × 15,978.55
  4. Step 4: Simplify right side
    40,944.58x = 981,143,528.70
  5. Step 5: Solve for x
    x = 981,143,528.70/40,944.58
  6. Step 6: Final answer
    x = 23,962.72

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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.