Home / 36,107.36-54,147.77-12,408.18

Finding the Fourth Proportional to 36,107.36, 54,147.77 and 12,408.18

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Solution

The fourth proportional to 36,107.36, 54,147.77 and 12,408.18 is: 18,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107.36 : 54,147.77 = 12,408.18 : x
  2. Step 2: Convert to fraction form
    36,107.36/54,147.77 = 12,408.18/x
  3. Step 3: Cross multiply
    36,107.36x = 54,147.77 × 12,408.18
  4. Step 4: Simplify right side
    36,107.36x = 671,875,276.76
  5. Step 5: Solve for x
    x = 671,875,276.76/36,107.36
  6. Step 6: Final answer
    x = 18,607.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.