Home / 33,715.13-50,575.12-12,938.63

Finding the Fourth Proportional to 33,715.13, 50,575.12 and 12,938.63

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Solution

The fourth proportional to 33,715.13, 50,575.12 and 12,938.63 is: 19,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,715.13 : 50,575.12 = 12,938.63 : x
  2. Step 2: Convert to fraction form
    33,715.13/50,575.12 = 12,938.63/x
  3. Step 3: Cross multiply
    33,715.13x = 50,575.12 × 12,938.63
  4. Step 4: Simplify right side
    33,715.13x = 654,372,479.66
  5. Step 5: Solve for x
    x = 654,372,479.66/33,715.13
  6. Step 6: Final answer
    x = 19,408.87

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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.