Home / 57,149.50-78,848.09-37,021.81

Finding the Fourth Proportional to 57,149.50, 78,848.09 and 37,021.81

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Solution

The fourth proportional to 57,149.50, 78,848.09 and 37,021.81 is: 51,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,149.50 : 78,848.09 = 37,021.81 : x
  2. Step 2: Convert to fraction form
    57,149.50/78,848.09 = 37,021.81/x
  3. Step 3: Cross multiply
    57,149.50x = 78,848.09 × 37,021.81
  4. Step 4: Simplify right side
    57,149.50x = 2,919,098,821.73
  5. Step 5: Solve for x
    x = 2,919,098,821.73/57,149.50
  6. Step 6: Final answer
    x = 51,078.29

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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.