Home / 34,109.43-51,166.05-10,420.58

Finding the Fourth Proportional to 34,109.43, 51,166.05 and 10,420.58

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Solution

The fourth proportional to 34,109.43, 51,166.05 and 10,420.58 is: 15,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,109.43 : 51,166.05 = 10,420.58 : x
  2. Step 2: Convert to fraction form
    34,109.43/51,166.05 = 10,420.58/x
  3. Step 3: Cross multiply
    34,109.43x = 51,166.05 × 10,420.58
  4. Step 4: Simplify right side
    34,109.43x = 533,179,609.38
  5. Step 5: Solve for x
    x = 533,179,609.38/34,109.43
  6. Step 6: Final answer
    x = 15,631.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.