Home / 41,212.72-61,818.40-13,132.39

Finding the Fourth Proportional to 41,212.72, 61,818.40 and 13,132.39

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Solution

The fourth proportional to 41,212.72, 61,818.40 and 13,132.39 is: 19,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,212.72 : 61,818.40 = 13,132.39 : x
  2. Step 2: Convert to fraction form
    41,212.72/61,818.40 = 13,132.39/x
  3. Step 3: Cross multiply
    41,212.72x = 61,818.40 × 13,132.39
  4. Step 4: Simplify right side
    41,212.72x = 811,823,421.15
  5. Step 5: Solve for x
    x = 811,823,421.15/41,212.72
  6. Step 6: Final answer
    x = 19,698.37

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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.