Home / 36,139.60-54,209.34-18,614.44

Finding the Fourth Proportional to 36,139.60, 54,209.34 and 18,614.44

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Solution

The fourth proportional to 36,139.60, 54,209.34 and 18,614.44 is: 27,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.60 : 54,209.34 = 18,614.44 : x
  2. Step 2: Convert to fraction form
    36,139.60/54,209.34 = 18,614.44/x
  3. Step 3: Cross multiply
    36,139.60x = 54,209.34 × 18,614.44
  4. Step 4: Simplify right side
    36,139.60x = 1,009,076,506.87
  5. Step 5: Solve for x
    x = 1,009,076,506.87/36,139.60
  6. Step 6: Final answer
    x = 27,921.63

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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.