Home / 40,632.31-60,972.69-18,141.25

Finding the Fourth Proportional to 40,632.31, 60,972.69 and 18,141.25

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Solution

The fourth proportional to 40,632.31, 60,972.69 and 18,141.25 is: 27,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,632.31 : 60,972.69 = 18,141.25 : x
  2. Step 2: Convert to fraction form
    40,632.31/60,972.69 = 18,141.25/x
  3. Step 3: Cross multiply
    40,632.31x = 60,972.69 × 18,141.25
  4. Step 4: Simplify right side
    40,632.31x = 1,106,120,507.60
  5. Step 5: Solve for x
    x = 1,106,120,507.60/40,632.31
  6. Step 6: Final answer
    x = 27,222.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.