Home / 36,835.20-55,252.80-13,458.60

Finding the Fourth Proportional to 36,835.20, 55,252.80 and 13,458.60

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Solution

The fourth proportional to 36,835.20, 55,252.80 and 13,458.60 is: 20,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,835.20 : 55,252.80 = 13,458.60 : x
  2. Step 2: Convert to fraction form
    36,835.20/55,252.80 = 13,458.60/x
  3. Step 3: Cross multiply
    36,835.20x = 55,252.80 × 13,458.60
  4. Step 4: Simplify right side
    36,835.20x = 743,625,334.08
  5. Step 5: Solve for x
    x = 743,625,334.08/36,835.20
  6. Step 6: Final answer
    x = 20,187.90

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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.