Home / 40,156.42-55,414.36-23,161.36

Finding the Fourth Proportional to 40,156.42, 55,414.36 and 23,161.36

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Solution

The fourth proportional to 40,156.42, 55,414.36 and 23,161.36 is: 31,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.42 : 55,414.36 = 23,161.36 : x
  2. Step 2: Convert to fraction form
    40,156.42/55,414.36 = 23,161.36/x
  3. Step 3: Cross multiply
    40,156.42x = 55,414.36 × 23,161.36
  4. Step 4: Simplify right side
    40,156.42x = 1,283,471,941.13
  5. Step 5: Solve for x
    x = 1,283,471,941.13/40,156.42
  6. Step 6: Final answer
    x = 31,961.81

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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.