Home / 36,189.64-54,272.94-15,129.64

Finding the Fourth Proportional to 36,189.64, 54,272.94 and 15,129.64

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Solution

The fourth proportional to 36,189.64, 54,272.94 and 15,129.64 is: 22,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.64 : 54,272.94 = 15,129.64 : x
  2. Step 2: Convert to fraction form
    36,189.64/54,272.94 = 15,129.64/x
  3. Step 3: Cross multiply
    36,189.64x = 54,272.94 × 15,129.64
  4. Step 4: Simplify right side
    36,189.64x = 821,130,043.94
  5. Step 5: Solve for x
    x = 821,130,043.94/36,189.64
  6. Step 6: Final answer
    x = 22,689.64

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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.