Home / 36,142.02-54,245.42-30,255.75

Finding the Fourth Proportional to 36,142.02, 54,245.42 and 30,255.75

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Solution

The fourth proportional to 36,142.02, 54,245.42 and 30,255.75 is: 45,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,142.02 : 54,245.42 = 30,255.75 : x
  2. Step 2: Convert to fraction form
    36,142.02/54,245.42 = 30,255.75/x
  3. Step 3: Cross multiply
    36,142.02x = 54,245.42 × 30,255.75
  4. Step 4: Simplify right side
    36,142.02x = 1,641,235,670.58
  5. Step 5: Solve for x
    x = 1,641,235,670.58/36,142.02
  6. Step 6: Final answer
    x = 45,410.74

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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.