Home / 40,672.32-55,958.40-35,871.36

Finding the Fourth Proportional to 40,672.32, 55,958.40 and 35,871.36

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Solution

The fourth proportional to 40,672.32, 55,958.40 and 35,871.36 is: 49,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.32 : 55,958.40 = 35,871.36 : x
  2. Step 2: Convert to fraction form
    40,672.32/55,958.40 = 35,871.36/x
  3. Step 3: Cross multiply
    40,672.32x = 55,958.40 × 35,871.36
  4. Step 4: Simplify right side
    40,672.32x = 2,007,303,911.42
  5. Step 5: Solve for x
    x = 2,007,303,911.42/40,672.32
  6. Step 6: Final answer
    x = 49,353.07

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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.