Home / 40,255.81-55,541.73-25,163.82

Finding the Fourth Proportional to 40,255.81, 55,541.73 and 25,163.82

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Solution

The fourth proportional to 40,255.81, 55,541.73 and 25,163.82 is: 34,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.81 : 55,541.73 = 25,163.82 : x
  2. Step 2: Convert to fraction form
    40,255.81/55,541.73 = 25,163.82/x
  3. Step 3: Cross multiply
    40,255.81x = 55,541.73 × 25,163.82
  4. Step 4: Simplify right side
    40,255.81x = 1,397,642,096.21
  5. Step 5: Solve for x
    x = 1,397,642,096.21/40,255.81
  6. Step 6: Final answer
    x = 34,719.02

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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.