Home / 39,544.32-54,408.96-38,440.32

Finding the Fourth Proportional to 39,544.32, 54,408.96 and 38,440.32

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Solution

The fourth proportional to 39,544.32, 54,408.96 and 38,440.32 is: 52,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,544.32 : 54,408.96 = 38,440.32 : x
  2. Step 2: Convert to fraction form
    39,544.32/54,408.96 = 38,440.32/x
  3. Step 3: Cross multiply
    39,544.32x = 54,408.96 × 38,440.32
  4. Step 4: Simplify right side
    39,544.32x = 2,091,497,833.27
  5. Step 5: Solve for x
    x = 2,091,497,833.27/39,544.32
  6. Step 6: Final answer
    x = 52,889.97

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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.