Home / 36,002.48-54,003.64-12,635.60

Finding the Fourth Proportional to 36,002.48, 54,003.64 and 12,635.60

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Solution

The fourth proportional to 36,002.48, 54,003.64 and 12,635.60 is: 18,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,002.48 : 54,003.64 = 12,635.60 : x
  2. Step 2: Convert to fraction form
    36,002.48/54,003.64 = 12,635.60/x
  3. Step 3: Cross multiply
    36,002.48x = 54,003.64 × 12,635.60
  4. Step 4: Simplify right side
    36,002.48x = 682,368,393.58
  5. Step 5: Solve for x
    x = 682,368,393.58/36,002.48
  6. Step 6: Final answer
    x = 18,953.37

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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.