Home / 36,018.80-53,991.25-13,826.20

Finding the Fourth Proportional to 36,018.80, 53,991.25 and 13,826.20

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Solution

The fourth proportional to 36,018.80, 53,991.25 and 13,826.20 is: 20,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.80 : 53,991.25 = 13,826.20 : x
  2. Step 2: Convert to fraction form
    36,018.80/53,991.25 = 13,826.20/x
  3. Step 3: Cross multiply
    36,018.80x = 53,991.25 × 13,826.20
  4. Step 4: Simplify right side
    36,018.80x = 746,494,007.58
  5. Step 5: Solve for x
    x = 746,494,007.58/36,018.80
  6. Step 6: Final answer
    x = 20,725.12

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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.