Home / 47,028.40-70,546.24-11,967.75

Finding the Fourth Proportional to 47,028.40, 70,546.24 and 11,967.75

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Solution

The fourth proportional to 47,028.40, 70,546.24 and 11,967.75 is: 17,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.40 : 70,546.24 = 11,967.75 : x
  2. Step 2: Convert to fraction form
    47,028.40/70,546.24 = 11,967.75/x
  3. Step 3: Cross multiply
    47,028.40x = 70,546.24 × 11,967.75
  4. Step 4: Simplify right side
    47,028.40x = 844,279,778.72
  5. Step 5: Solve for x
    x = 844,279,778.72/47,028.40
  6. Step 6: Final answer
    x = 17,952.55

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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.