Home / 33,939.57-46,834.50-20,502.90

Finding the Fourth Proportional to 33,939.57, 46,834.50 and 20,502.90

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Solution

The fourth proportional to 33,939.57, 46,834.50 and 20,502.90 is: 28,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,939.57 : 46,834.50 = 20,502.90 : x
  2. Step 2: Convert to fraction form
    33,939.57/46,834.50 = 20,502.90/x
  3. Step 3: Cross multiply
    33,939.57x = 46,834.50 × 20,502.90
  4. Step 4: Simplify right side
    33,939.57x = 960,243,070.05
  5. Step 5: Solve for x
    x = 960,243,070.05/33,939.57
  6. Step 6: Final answer
    x = 28,292.73

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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.