Home / 40,100.31-55,334.46-23,100.03

Finding the Fourth Proportional to 40,100.31, 55,334.46 and 23,100.03

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Solution

The fourth proportional to 40,100.31, 55,334.46 and 23,100.03 is: 31,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.31 : 55,334.46 = 23,100.03 : x
  2. Step 2: Convert to fraction form
    40,100.31/55,334.46 = 23,100.03/x
  3. Step 3: Cross multiply
    40,100.31x = 55,334.46 × 23,100.03
  4. Step 4: Simplify right side
    40,100.31x = 1,278,227,686.03
  5. Step 5: Solve for x
    x = 1,278,227,686.03/40,100.31
  6. Step 6: Final answer
    x = 31,875.76

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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.