Home / 36,199.20-54,259.20-12,813.60

Finding the Fourth Proportional to 36,199.20, 54,259.20 and 12,813.60

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Solution

The fourth proportional to 36,199.20, 54,259.20 and 12,813.60 is: 19,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,199.20 : 54,259.20 = 12,813.60 : x
  2. Step 2: Convert to fraction form
    36,199.20/54,259.20 = 12,813.60/x
  3. Step 3: Cross multiply
    36,199.20x = 54,259.20 × 12,813.60
  4. Step 4: Simplify right side
    36,199.20x = 695,255,685.12
  5. Step 5: Solve for x
    x = 695,255,685.12/36,199.20
  6. Step 6: Final answer
    x = 19,206.38

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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.