Home / 35,834.20-49,451.38-19,920.12

Finding the Fourth Proportional to 35,834.20, 49,451.38 and 19,920.12

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Solution

The fourth proportional to 35,834.20, 49,451.38 and 19,920.12 is: 27,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,834.20 : 49,451.38 = 19,920.12 : x
  2. Step 2: Convert to fraction form
    35,834.20/49,451.38 = 19,920.12/x
  3. Step 3: Cross multiply
    35,834.20x = 49,451.38 × 19,920.12
  4. Step 4: Simplify right side
    35,834.20x = 985,077,423.77
  5. Step 5: Solve for x
    x = 985,077,423.77/35,834.20
  6. Step 6: Final answer
    x = 27,489.87

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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.