Home / 33,390.40-50,092.32-12,330.58

Finding the Fourth Proportional to 33,390.40, 50,092.32 and 12,330.58

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Solution

The fourth proportional to 33,390.40, 50,092.32 and 12,330.58 is: 18,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,390.40 : 50,092.32 = 12,330.58 : x
  2. Step 2: Convert to fraction form
    33,390.40/50,092.32 = 12,330.58/x
  3. Step 3: Cross multiply
    33,390.40x = 50,092.32 × 12,330.58
  4. Step 4: Simplify right side
    33,390.40x = 617,667,359.15
  5. Step 5: Solve for x
    x = 617,667,359.15/33,390.40
  6. Step 6: Final answer
    x = 18,498.35

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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.