Home / 61,719.68-92,584.32-20,170.88

Finding the Fourth Proportional to 61,719.68, 92,584.32 and 20,170.88

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Solution

The fourth proportional to 61,719.68, 92,584.32 and 20,170.88 is: 30,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.68 : 92,584.32 = 20,170.88 : x
  2. Step 2: Convert to fraction form
    61,719.68/92,584.32 = 20,170.88/x
  3. Step 3: Cross multiply
    61,719.68x = 92,584.32 × 20,170.88
  4. Step 4: Simplify right side
    61,719.68x = 1,867,507,208.60
  5. Step 5: Solve for x
    x = 1,867,507,208.60/61,719.68
  6. Step 6: Final answer
    x = 30,257.89

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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.