Home / 35,231.40-48,619.74-20,126.07

Finding the Fourth Proportional to 35,231.40, 48,619.74 and 20,126.07

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Solution

The fourth proportional to 35,231.40, 48,619.74 and 20,126.07 is: 27,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.40 : 48,619.74 = 20,126.07 : x
  2. Step 2: Convert to fraction form
    35,231.40/48,619.74 = 20,126.07/x
  3. Step 3: Cross multiply
    35,231.40x = 48,619.74 × 20,126.07
  4. Step 4: Simplify right side
    35,231.40x = 978,524,290.62
  5. Step 5: Solve for x
    x = 978,524,290.62/35,231.40
  6. Step 6: Final answer
    x = 27,774.21

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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.