Home / 40,115.75-55,465.41-35,133.48

Finding the Fourth Proportional to 40,115.75, 55,465.41 and 35,133.48

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Solution

The fourth proportional to 40,115.75, 55,465.41 and 35,133.48 is: 48,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.75 : 55,465.41 = 35,133.48 : x
  2. Step 2: Convert to fraction form
    40,115.75/55,465.41 = 35,133.48/x
  3. Step 3: Cross multiply
    40,115.75x = 55,465.41 × 35,133.48
  4. Step 4: Simplify right side
    40,115.75x = 1,948,692,872.93
  5. Step 5: Solve for x
    x = 1,948,692,872.93/40,115.75
  6. Step 6: Final answer
    x = 48,576.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.