Home / 36,139.78-54,214.44-16,149.43

Finding the Fourth Proportional to 36,139.78, 54,214.44 and 16,149.43

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Solution

The fourth proportional to 36,139.78, 54,214.44 and 16,149.43 is: 24,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.78 : 54,214.44 = 16,149.43 : x
  2. Step 2: Convert to fraction form
    36,139.78/54,214.44 = 16,149.43/x
  3. Step 3: Cross multiply
    36,139.78x = 54,214.44 × 16,149.43
  4. Step 4: Simplify right side
    36,139.78x = 875,532,303.77
  5. Step 5: Solve for x
    x = 875,532,303.77/36,139.78
  6. Step 6: Final answer
    x = 24,226.28

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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.