Home / 37,158.21-51,278.13-20,162.79

Finding the Fourth Proportional to 37,158.21, 51,278.13 and 20,162.79

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Solution

The fourth proportional to 37,158.21, 51,278.13 and 20,162.79 is: 27,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,158.21 : 51,278.13 = 20,162.79 : x
  2. Step 2: Convert to fraction form
    37,158.21/51,278.13 = 20,162.79/x
  3. Step 3: Cross multiply
    37,158.21x = 51,278.13 × 20,162.79
  4. Step 4: Simplify right side
    37,158.21x = 1,033,910,166.78
  5. Step 5: Solve for x
    x = 1,033,910,166.78/37,158.21
  6. Step 6: Final answer
    x = 27,824.54

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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.