Home / 36,872.39-55,308.77-9,170.39

Finding the Fourth Proportional to 36,872.39, 55,308.77 and 9,170.39

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Solution

The fourth proportional to 36,872.39, 55,308.77 and 9,170.39 is: 13,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.39 : 55,308.77 = 9,170.39 : x
  2. Step 2: Convert to fraction form
    36,872.39/55,308.77 = 9,170.39/x
  3. Step 3: Cross multiply
    36,872.39x = 55,308.77 × 9,170.39
  4. Step 4: Simplify right side
    36,872.39x = 507,202,945.47
  5. Step 5: Solve for x
    x = 507,202,945.47/36,872.39
  6. Step 6: Final answer
    x = 13,755.63

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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.