Home / 54,640.47-81,965.35-15,197.59

Finding the Fourth Proportional to 54,640.47, 81,965.35 and 15,197.59

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Solution

The fourth proportional to 54,640.47, 81,965.35 and 15,197.59 is: 22,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640.47 : 81,965.35 = 15,197.59 : x
  2. Step 2: Convert to fraction form
    54,640.47/81,965.35 = 15,197.59/x
  3. Step 3: Cross multiply
    54,640.47x = 81,965.35 × 15,197.59
  4. Step 4: Simplify right side
    54,640.47x = 1,245,675,540.60
  5. Step 5: Solve for x
    x = 1,245,675,540.60/54,640.47
  6. Step 6: Final answer
    x = 22,797.67

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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.