Home / 29,198.18-43,803.76-8,421.68

Finding the Fourth Proportional to 29,198.18, 43,803.76 and 8,421.68

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Solution

The fourth proportional to 29,198.18, 43,803.76 and 8,421.68 is: 12,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198.18 : 43,803.76 = 8,421.68 : x
  2. Step 2: Convert to fraction form
    29,198.18/43,803.76 = 8,421.68/x
  3. Step 3: Cross multiply
    29,198.18x = 43,803.76 × 8,421.68
  4. Step 4: Simplify right side
    29,198.18x = 368,901,249.52
  5. Step 5: Solve for x
    x = 368,901,249.52/29,198.18
  6. Step 6: Final answer
    x = 12,634.39

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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.