Home / 51,163.20-76,692-27,740.16

Finding the Fourth Proportional to 51,163.20, 76,692 and 27,740.16

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Solution

The fourth proportional to 51,163.20, 76,692 and 27,740.16 is: 41,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,163.20 : 76,692 = 27,740.16 : x
  2. Step 2: Convert to fraction form
    51,163.20/76,692 = 27,740.16/x
  3. Step 3: Cross multiply
    51,163.20x = 76,692 × 27,740.16
  4. Step 4: Simplify right side
    51,163.20x = 2,127,448,350.72
  5. Step 5: Solve for x
    x = 2,127,448,350.72/51,163.20
  6. Step 6: Final answer
    x = 41,581.61

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1.5x scale

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.