Home / 31,459.55-47,197.49-11,738.25

Finding the Fourth Proportional to 31,459.55, 47,197.49 and 11,738.25

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Solution

The fourth proportional to 31,459.55, 47,197.49 and 11,738.25 is: 17,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.55 : 47,197.49 = 11,738.25 : x
  2. Step 2: Convert to fraction form
    31,459.55/47,197.49 = 11,738.25/x
  3. Step 3: Cross multiply
    31,459.55x = 47,197.49 × 11,738.25
  4. Step 4: Simplify right side
    31,459.55x = 554,015,878.30
  5. Step 5: Solve for x
    x = 554,015,878.30/31,459.55
  6. Step 6: Final answer
    x = 17,610.42

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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.