Home / 33,124.20-49,724.70-19,991.40

Finding the Fourth Proportional to 33,124.20, 49,724.70 and 19,991.40

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Solution

The fourth proportional to 33,124.20, 49,724.70 and 19,991.40 is: 30,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.20 : 49,724.70 = 19,991.40 : x
  2. Step 2: Convert to fraction form
    33,124.20/49,724.70 = 19,991.40/x
  3. Step 3: Cross multiply
    33,124.20x = 49,724.70 × 19,991.40
  4. Step 4: Simplify right side
    33,124.20x = 994,066,367.58
  5. Step 5: Solve for x
    x = 994,066,367.58/33,124.20
  6. Step 6: Final answer
    x = 30,010.28

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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.