Home / 36,834.61-50,832.12-20,919.40

Finding the Fourth Proportional to 36,834.61, 50,832.12 and 20,919.40

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Solution

The fourth proportional to 36,834.61, 50,832.12 and 20,919.40 is: 28,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,834.61 : 50,832.12 = 20,919.40 : x
  2. Step 2: Convert to fraction form
    36,834.61/50,832.12 = 20,919.40/x
  3. Step 3: Cross multiply
    36,834.61x = 50,832.12 × 20,919.40
  4. Step 4: Simplify right side
    36,834.61x = 1,063,377,451.13
  5. Step 5: Solve for x
    x = 1,063,377,451.13/36,834.61
  6. Step 6: Final answer
    x = 28,868.98

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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.