Home / 33,007.20-49,518.40-13,286.40

Finding the Fourth Proportional to 33,007.20, 49,518.40 and 13,286.40

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Solution

The fourth proportional to 33,007.20, 49,518.40 and 13,286.40 is: 19,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,007.20 : 49,518.40 = 13,286.40 : x
  2. Step 2: Convert to fraction form
    33,007.20/49,518.40 = 13,286.40/x
  3. Step 3: Cross multiply
    33,007.20x = 49,518.40 × 13,286.40
  4. Step 4: Simplify right side
    33,007.20x = 657,921,269.76
  5. Step 5: Solve for x
    x = 657,921,269.76/33,007.20
  6. Step 6: Final answer
    x = 19,932.66

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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.