Home / 40,100.37-55,339.82-23,103.28

Finding the Fourth Proportional to 40,100.37, 55,339.82 and 23,103.28

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Solution

The fourth proportional to 40,100.37, 55,339.82 and 23,103.28 is: 31,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.37 : 55,339.82 = 23,103.28 : x
  2. Step 2: Convert to fraction form
    40,100.37/55,339.82 = 23,103.28/x
  3. Step 3: Cross multiply
    40,100.37x = 55,339.82 × 23,103.28
  4. Step 4: Simplify right side
    40,100.37x = 1,278,531,102.74
  5. Step 5: Solve for x
    x = 1,278,531,102.74/40,100.37
  6. Step 6: Final answer
    x = 31,883.27

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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.