Home / 39,378.69-54,301.32-25,932.78

Finding the Fourth Proportional to 39,378.69, 54,301.32 and 25,932.78

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Solution

The fourth proportional to 39,378.69, 54,301.32 and 25,932.78 is: 35,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,378.69 : 54,301.32 = 25,932.78 : x
  2. Step 2: Convert to fraction form
    39,378.69/54,301.32 = 25,932.78/x
  3. Step 3: Cross multiply
    39,378.69x = 54,301.32 × 25,932.78
  4. Step 4: Simplify right side
    39,378.69x = 1,408,184,185.27
  5. Step 5: Solve for x
    x = 1,408,184,185.27/39,378.69
  6. Step 6: Final answer
    x = 35,760.06

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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.