Home / 47,766.21-71,650-18,185.67

Finding the Fourth Proportional to 47,766.21, 71,650 and 18,185.67

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Solution

The fourth proportional to 47,766.21, 71,650 and 18,185.67 is: 27,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,766.21 : 71,650 = 18,185.67 : x
  2. Step 2: Convert to fraction form
    47,766.21/71,650 = 18,185.67/x
  3. Step 3: Cross multiply
    47,766.21x = 71,650 × 18,185.67
  4. Step 4: Simplify right side
    47,766.21x = 1,303,003,255.50
  5. Step 5: Solve for x
    x = 1,303,003,255.50/47,766.21
  6. Step 6: Final answer
    x = 27,278.77

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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.