Home / 32,910.78-49,372.29-13,190.87

Finding the Fourth Proportional to 32,910.78, 49,372.29 and 13,190.87

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Solution

The fourth proportional to 32,910.78, 49,372.29 and 13,190.87 is: 19,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,910.78 : 49,372.29 = 13,190.87 : x
  2. Step 2: Convert to fraction form
    32,910.78/49,372.29 = 13,190.87/x
  3. Step 3: Cross multiply
    32,910.78x = 49,372.29 × 13,190.87
  4. Step 4: Simplify right side
    32,910.78x = 651,263,458.99
  5. Step 5: Solve for x
    x = 651,263,458.99/32,910.78
  6. Step 6: Final answer
    x = 19,788.76

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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.