Home / 41,940.24-57,941.10-31,311.42

Finding the Fourth Proportional to 41,940.24, 57,941.10 and 31,311.42

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Solution

The fourth proportional to 41,940.24, 57,941.10 and 31,311.42 is: 43,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,940.24 : 57,941.10 = 31,311.42 : x
  2. Step 2: Convert to fraction form
    41,940.24/57,941.10 = 31,311.42/x
  3. Step 3: Cross multiply
    41,940.24x = 57,941.10 × 31,311.42
  4. Step 4: Simplify right side
    41,940.24x = 1,814,218,117.36
  5. Step 5: Solve for x
    x = 1,814,218,117.36/41,940.24
  6. Step 6: Final answer
    x = 43,257.22

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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.