Home / 36,003.78-53,993.52-12,627.18

Finding the Fourth Proportional to 36,003.78, 53,993.52 and 12,627.18

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Solution

The fourth proportional to 36,003.78, 53,993.52 and 12,627.18 is: 18,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003.78 : 53,993.52 = 12,627.18 : x
  2. Step 2: Convert to fraction form
    36,003.78/53,993.52 = 12,627.18/x
  3. Step 3: Cross multiply
    36,003.78x = 53,993.52 × 12,627.18
  4. Step 4: Simplify right side
    36,003.78x = 681,785,895.87
  5. Step 5: Solve for x
    x = 681,785,895.87/36,003.78
  6. Step 6: Final answer
    x = 18,936.51

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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.