Home / 37,230.21-51,378.20-20,234.79

Finding the Fourth Proportional to 37,230.21, 51,378.20 and 20,234.79

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Solution

The fourth proportional to 37,230.21, 51,378.20 and 20,234.79 is: 27,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,230.21 : 51,378.20 = 20,234.79 : x
  2. Step 2: Convert to fraction form
    37,230.21/51,378.20 = 20,234.79/x
  3. Step 3: Cross multiply
    37,230.21x = 51,378.20 × 20,234.79
  4. Step 4: Simplify right side
    37,230.21x = 1,039,627,087.58
  5. Step 5: Solve for x
    x = 1,039,627,087.58/37,230.21
  6. Step 6: Final answer
    x = 27,924.29

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1.5x scale

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.