Home / 36,279.05-54,414.47-12,582.23

Finding the Fourth Proportional to 36,279.05, 54,414.47 and 12,582.23

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Solution

The fourth proportional to 36,279.05, 54,414.47 and 12,582.23 is: 18,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.05 : 54,414.47 = 12,582.23 : x
  2. Step 2: Convert to fraction form
    36,279.05/54,414.47 = 12,582.23/x
  3. Step 3: Cross multiply
    36,279.05x = 54,414.47 × 12,582.23
  4. Step 4: Simplify right side
    36,279.05x = 684,655,041.88
  5. Step 5: Solve for x
    x = 684,655,041.88/36,279.05
  6. Step 6: Final answer
    x = 18,871.91

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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.