Home / 40,921.44-61,383.39-15,960.48

Finding the Fourth Proportional to 40,921.44, 61,383.39 and 15,960.48

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Solution

The fourth proportional to 40,921.44, 61,383.39 and 15,960.48 is: 23,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.44 : 61,383.39 = 15,960.48 : x
  2. Step 2: Convert to fraction form
    40,921.44/61,383.39 = 15,960.48/x
  3. Step 3: Cross multiply
    40,921.44x = 61,383.39 × 15,960.48
  4. Step 4: Simplify right side
    40,921.44x = 979,708,368.43
  5. Step 5: Solve for x
    x = 979,708,368.43/40,921.44
  6. Step 6: Final answer
    x = 23,941.20

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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.