Home / 33,971.74-50,902.12-20,648.81

Finding the Fourth Proportional to 33,971.74, 50,902.12 and 20,648.81

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Solution

The fourth proportional to 33,971.74, 50,902.12 and 20,648.81 is: 30,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,971.74 : 50,902.12 = 20,648.81 : x
  2. Step 2: Convert to fraction form
    33,971.74/50,902.12 = 20,648.81/x
  3. Step 3: Cross multiply
    33,971.74x = 50,902.12 × 20,648.81
  4. Step 4: Simplify right side
    33,971.74x = 1,051,068,204.48
  5. Step 5: Solve for x
    x = 1,051,068,204.48/33,971.74
  6. Step 6: Final answer
    x = 30,939.49

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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.