Home / 33,217.08-49,815.90-12,435.72

Finding the Fourth Proportional to 33,217.08, 49,815.90 and 12,435.72

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Solution

The fourth proportional to 33,217.08, 49,815.90 and 12,435.72 is: 18,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,217.08 : 49,815.90 = 12,435.72 : x
  2. Step 2: Convert to fraction form
    33,217.08/49,815.90 = 12,435.72/x
  3. Step 3: Cross multiply
    33,217.08x = 49,815.90 × 12,435.72
  4. Step 4: Simplify right side
    33,217.08x = 619,496,583.95
  5. Step 5: Solve for x
    x = 619,496,583.95/33,217.08
  6. Step 6: Final answer
    x = 18,649.94

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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.