Home / 33,281.70-49,921.59-13,555.38

Finding the Fourth Proportional to 33,281.70, 49,921.59 and 13,555.38

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Solution

The fourth proportional to 33,281.70, 49,921.59 and 13,555.38 is: 20,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,281.70 : 49,921.59 = 13,555.38 : x
  2. Step 2: Convert to fraction form
    33,281.70/49,921.59 = 13,555.38/x
  3. Step 3: Cross multiply
    33,281.70x = 49,921.59 × 13,555.38
  4. Step 4: Simplify right side
    33,281.70x = 676,706,122.65
  5. Step 5: Solve for x
    x = 676,706,122.65/33,281.70
  6. Step 6: Final answer
    x = 20,332.68

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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.