Home / 38,564.66-57,847.47-12,269.30

Finding the Fourth Proportional to 38,564.66, 57,847.47 and 12,269.30

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Solution

The fourth proportional to 38,564.66, 57,847.47 and 12,269.30 is: 18,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,564.66 : 57,847.47 = 12,269.30 : x
  2. Step 2: Convert to fraction form
    38,564.66/57,847.47 = 12,269.30/x
  3. Step 3: Cross multiply
    38,564.66x = 57,847.47 × 12,269.30
  4. Step 4: Simplify right side
    38,564.66x = 709,747,963.67
  5. Step 5: Solve for x
    x = 709,747,963.67/38,564.66
  6. Step 6: Final answer
    x = 18,404.10

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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.