Home / 36,281.72-50,068.68-20,367.74

Finding the Fourth Proportional to 36,281.72, 50,068.68 and 20,367.74

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Solution

The fourth proportional to 36,281.72, 50,068.68 and 20,367.74 is: 28,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.72 : 50,068.68 = 20,367.74 : x
  2. Step 2: Convert to fraction form
    36,281.72/50,068.68 = 20,367.74/x
  3. Step 3: Cross multiply
    36,281.72x = 50,068.68 × 20,367.74
  4. Step 4: Simplify right side
    36,281.72x = 1,019,785,856.38
  5. Step 5: Solve for x
    x = 1,019,785,856.38/36,281.72
  6. Step 6: Final answer
    x = 28,107.43

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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.