Home / 35,129.26-52,666.21-12,930.52

Finding the Fourth Proportional to 35,129.26, 52,666.21 and 12,930.52

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Solution

The fourth proportional to 35,129.26, 52,666.21 and 12,930.52 is: 19,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.26 : 52,666.21 = 12,930.52 : x
  2. Step 2: Convert to fraction form
    35,129.26/52,666.21 = 12,930.52/x
  3. Step 3: Cross multiply
    35,129.26x = 52,666.21 × 12,930.52
  4. Step 4: Simplify right side
    35,129.26x = 681,001,481.73
  5. Step 5: Solve for x
    x = 681,001,481.73/35,129.26
  6. Step 6: Final answer
    x = 19,385.59

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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.