Home / 33,555.08-50,355.30-12,778.04

Finding the Fourth Proportional to 33,555.08, 50,355.30 and 12,778.04

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Solution

The fourth proportional to 33,555.08, 50,355.30 and 12,778.04 is: 19,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,555.08 : 50,355.30 = 12,778.04 : x
  2. Step 2: Convert to fraction form
    33,555.08/50,355.30 = 12,778.04/x
  3. Step 3: Cross multiply
    33,555.08x = 50,355.30 × 12,778.04
  4. Step 4: Simplify right side
    33,555.08x = 643,442,037.61
  5. Step 5: Solve for x
    x = 643,442,037.61/33,555.08
  6. Step 6: Final answer
    x = 19,175.70

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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.