Home / 37,274.01-51,439.09-20,279.20

Finding the Fourth Proportional to 37,274.01, 51,439.09 and 20,279.20

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Solution

The fourth proportional to 37,274.01, 51,439.09 and 20,279.20 is: 27,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,274.01 : 51,439.09 = 20,279.20 : x
  2. Step 2: Convert to fraction form
    37,274.01/51,439.09 = 20,279.20/x
  3. Step 3: Cross multiply
    37,274.01x = 51,439.09 × 20,279.20
  4. Step 4: Simplify right side
    37,274.01x = 1,043,143,336.73
  5. Step 5: Solve for x
    x = 1,043,143,336.73/37,274.01
  6. Step 6: Final answer
    x = 27,985.81

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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.