Home / 36,138.26-49,869.18-20,006.17

Finding the Fourth Proportional to 36,138.26, 49,869.18 and 20,006.17

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Solution

The fourth proportional to 36,138.26, 49,869.18 and 20,006.17 is: 27,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.26 : 49,869.18 = 20,006.17 : x
  2. Step 2: Convert to fraction form
    36,138.26/49,869.18 = 20,006.17/x
  3. Step 3: Cross multiply
    36,138.26x = 49,869.18 × 20,006.17
  4. Step 4: Simplify right side
    36,138.26x = 997,691,392.41
  5. Step 5: Solve for x
    x = 997,691,392.41/36,138.26
  6. Step 6: Final answer
    x = 27,607.62

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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.