Home / 33,397.31-50,117.84-12,620.81

Finding the Fourth Proportional to 33,397.31, 50,117.84 and 12,620.81

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Solution

The fourth proportional to 33,397.31, 50,117.84 and 12,620.81 is: 18,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,397.31 : 50,117.84 = 12,620.81 : x
  2. Step 2: Convert to fraction form
    33,397.31/50,117.84 = 12,620.81/x
  3. Step 3: Cross multiply
    33,397.31x = 50,117.84 × 12,620.81
  4. Step 4: Simplify right side
    33,397.31x = 632,527,845.77
  5. Step 5: Solve for x
    x = 632,527,845.77/33,397.31
  6. Step 6: Final answer
    x = 18,939.48

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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.