Home / 36,765.36-55,128.96-18,037.20

Finding the Fourth Proportional to 36,765.36, 55,128.96 and 18,037.20

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Solution

The fourth proportional to 36,765.36, 55,128.96 and 18,037.20 is: 27,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,765.36 : 55,128.96 = 18,037.20 : x
  2. Step 2: Convert to fraction form
    36,765.36/55,128.96 = 18,037.20/x
  3. Step 3: Cross multiply
    36,765.36x = 55,128.96 × 18,037.20
  4. Step 4: Simplify right side
    36,765.36x = 994,372,077.31
  5. Step 5: Solve for x
    x = 994,372,077.31/36,765.36
  6. Step 6: Final answer
    x = 27,046.44

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1.5x scale

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.