Home / 36,138.08-54,168.72-17,406.44

Finding the Fourth Proportional to 36,138.08, 54,168.72 and 17,406.44

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Solution

The fourth proportional to 36,138.08, 54,168.72 and 17,406.44 is: 26,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.08 : 54,168.72 = 17,406.44 : x
  2. Step 2: Convert to fraction form
    36,138.08/54,168.72 = 17,406.44/x
  3. Step 3: Cross multiply
    36,138.08x = 54,168.72 × 17,406.44
  4. Step 4: Simplify right side
    36,138.08x = 942,884,574.56
  5. Step 5: Solve for x
    x = 942,884,574.56/36,138.08
  6. Step 6: Final answer
    x = 26,091.16

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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.