Home / 39,103.22-58,663.13-12,806.03

Finding the Fourth Proportional to 39,103.22, 58,663.13 and 12,806.03

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Solution

The fourth proportional to 39,103.22, 58,663.13 and 12,806.03 is: 19,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.22 : 58,663.13 = 12,806.03 : x
  2. Step 2: Convert to fraction form
    39,103.22/58,663.13 = 12,806.03/x
  3. Step 3: Cross multiply
    39,103.22x = 58,663.13 × 12,806.03
  4. Step 4: Simplify right side
    39,103.22x = 751,241,445.33
  5. Step 5: Solve for x
    x = 751,241,445.33/39,103.22
  6. Step 6: Final answer
    x = 19,211.76

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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.