Home / 36,274.47-50,061.25-20,142.61

Finding the Fourth Proportional to 36,274.47, 50,061.25 and 20,142.61

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Solution

The fourth proportional to 36,274.47, 50,061.25 and 20,142.61 is: 27,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,274.47 : 50,061.25 = 20,142.61 : x
  2. Step 2: Convert to fraction form
    36,274.47/50,061.25 = 20,142.61/x
  3. Step 3: Cross multiply
    36,274.47x = 50,061.25 × 20,142.61
  4. Step 4: Simplify right side
    36,274.47x = 1,008,364,134.15
  5. Step 5: Solve for x
    x = 1,008,364,134.15/36,274.47
  6. Step 6: Final answer
    x = 27,798.18

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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.