Home / 39,408.03-54,392.22-25,981.65

Finding the Fourth Proportional to 39,408.03, 54,392.22 and 25,981.65

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Solution

The fourth proportional to 39,408.03, 54,392.22 and 25,981.65 is: 35,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.03 : 54,392.22 = 25,981.65 : x
  2. Step 2: Convert to fraction form
    39,408.03/54,392.22 = 25,981.65/x
  3. Step 3: Cross multiply
    39,408.03x = 54,392.22 × 25,981.65
  4. Step 4: Simplify right side
    39,408.03x = 1,413,199,622.76
  5. Step 5: Solve for x
    x = 1,413,199,622.76/39,408.03
  6. Step 6: Final answer
    x = 35,860.70

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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.