Home / 34,491.86-47,590.46-20,143.55

Finding the Fourth Proportional to 34,491.86, 47,590.46 and 20,143.55

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Solution

The fourth proportional to 34,491.86, 47,590.46 and 20,143.55 is: 27,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,491.86 : 47,590.46 = 20,143.55 : x
  2. Step 2: Convert to fraction form
    34,491.86/47,590.46 = 20,143.55/x
  3. Step 3: Cross multiply
    34,491.86x = 47,590.46 × 20,143.55
  4. Step 4: Simplify right side
    34,491.86x = 958,640,471.86
  5. Step 5: Solve for x
    x = 958,640,471.86/34,491.86
  6. Step 6: Final answer
    x = 27,793.24

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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.