Home / 47,984.32-71,987.82-18,401.50

Finding the Fourth Proportional to 47,984.32, 71,987.82 and 18,401.50

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Solution

The fourth proportional to 47,984.32, 71,987.82 and 18,401.50 is: 27,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.32 : 71,987.82 = 18,401.50 : x
  2. Step 2: Convert to fraction form
    47,984.32/71,987.82 = 18,401.50/x
  3. Step 3: Cross multiply
    47,984.32x = 71,987.82 × 18,401.50
  4. Step 4: Simplify right side
    47,984.32x = 1,324,683,869.73
  5. Step 5: Solve for x
    x = 1,324,683,869.73/47,984.32
  6. Step 6: Final answer
    x = 27,606.60

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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.