Home / 37,830.38-52,205.91-20,834.48

Finding the Fourth Proportional to 37,830.38, 52,205.91 and 20,834.48

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Solution

The fourth proportional to 37,830.38, 52,205.91 and 20,834.48 is: 28,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,830.38 : 52,205.91 = 20,834.48 : x
  2. Step 2: Convert to fraction form
    37,830.38/52,205.91 = 20,834.48/x
  3. Step 3: Cross multiply
    37,830.38x = 52,205.91 × 20,834.48
  4. Step 4: Simplify right side
    37,830.38x = 1,087,682,726.75
  5. Step 5: Solve for x
    x = 1,087,682,726.75/37,830.38
  6. Step 6: Final answer
    x = 28,751.57

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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.