Home / 20,052.24-30,079.68-5,261.52

Finding the Fourth Proportional to 20,052.24, 30,079.68 and 5,261.52

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Solution

The fourth proportional to 20,052.24, 30,079.68 and 5,261.52 is: 7,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.24 : 30,079.68 = 5,261.52 : x
  2. Step 2: Convert to fraction form
    20,052.24/30,079.68 = 5,261.52/x
  3. Step 3: Cross multiply
    20,052.24x = 30,079.68 × 5,261.52
  4. Step 4: Simplify right side
    20,052.24x = 158,264,837.91
  5. Step 5: Solve for x
    x = 158,264,837.91/20,052.24
  6. Step 6: Final answer
    x = 7,892.63

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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.