Home / 35,422.52-53,147.28-13,245.80

Finding the Fourth Proportional to 35,422.52, 53,147.28 and 13,245.80

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Solution

The fourth proportional to 35,422.52, 53,147.28 and 13,245.80 is: 19,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.52 : 53,147.28 = 13,245.80 : x
  2. Step 2: Convert to fraction form
    35,422.52/53,147.28 = 13,245.80/x
  3. Step 3: Cross multiply
    35,422.52x = 53,147.28 × 13,245.80
  4. Step 4: Simplify right side
    35,422.52x = 703,978,241.42
  5. Step 5: Solve for x
    x = 703,978,241.42/35,422.52
  6. Step 6: Final answer
    x = 19,873.75

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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.