Home / 53,046.29-73,202.20-29,172.89

Finding the Fourth Proportional to 53,046.29, 73,202.20 and 29,172.89

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Solution

The fourth proportional to 53,046.29, 73,202.20 and 29,172.89 is: 40,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,046.29 : 73,202.20 = 29,172.89 : x
  2. Step 2: Convert to fraction form
    53,046.29/73,202.20 = 29,172.89/x
  3. Step 3: Cross multiply
    53,046.29x = 73,202.20 × 29,172.89
  4. Step 4: Simplify right side
    53,046.29x = 2,135,519,289.41
  5. Step 5: Solve for x
    x = 2,135,519,289.41/53,046.29
  6. Step 6: Final answer
    x = 40,257.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.