Home / 34,086.60-51,139.98-15,372.36

Finding the Fourth Proportional to 34,086.60, 51,139.98 and 15,372.36

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Solution

The fourth proportional to 34,086.60, 51,139.98 and 15,372.36 is: 23,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,086.60 : 51,139.98 = 15,372.36 : x
  2. Step 2: Convert to fraction form
    34,086.60/51,139.98 = 15,372.36/x
  3. Step 3: Cross multiply
    34,086.60x = 51,139.98 × 15,372.36
  4. Step 4: Simplify right side
    34,086.60x = 786,142,182.95
  5. Step 5: Solve for x
    x = 786,142,182.95/34,086.60
  6. Step 6: Final answer
    x = 23,063.09

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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.