Home / 36,917.78-55,405.82-13,550.90

Finding the Fourth Proportional to 36,917.78, 55,405.82 and 13,550.90

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Solution

The fourth proportional to 36,917.78, 55,405.82 and 13,550.90 is: 20,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.78 : 55,405.82 = 13,550.90 : x
  2. Step 2: Convert to fraction form
    36,917.78/55,405.82 = 13,550.90/x
  3. Step 3: Cross multiply
    36,917.78x = 55,405.82 × 13,550.90
  4. Step 4: Simplify right side
    36,917.78x = 750,798,483.09
  5. Step 5: Solve for x
    x = 750,798,483.09/36,917.78
  6. Step 6: Final answer
    x = 20,337.05

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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.