Home / 29,105.83-40,192.27-18,369.71

Finding the Fourth Proportional to 29,105.83, 40,192.27 and 18,369.71

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Solution

The fourth proportional to 29,105.83, 40,192.27 and 18,369.71 is: 25,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.83 : 40,192.27 = 18,369.71 : x
  2. Step 2: Convert to fraction form
    29,105.83/40,192.27 = 18,369.71/x
  3. Step 3: Cross multiply
    29,105.83x = 40,192.27 × 18,369.71
  4. Step 4: Simplify right side
    29,105.83x = 738,320,247.98
  5. Step 5: Solve for x
    x = 738,320,247.98/29,105.83
  6. Step 6: Final answer
    x = 25,366.75

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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.