Home / 38,569.53-57,838.50-12,267.21

Finding the Fourth Proportional to 38,569.53, 57,838.50 and 12,267.21

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Solution

The fourth proportional to 38,569.53, 57,838.50 and 12,267.21 is: 18,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.53 : 57,838.50 = 12,267.21 : x
  2. Step 2: Convert to fraction form
    38,569.53/57,838.50 = 12,267.21/x
  3. Step 3: Cross multiply
    38,569.53x = 57,838.50 × 12,267.21
  4. Step 4: Simplify right side
    38,569.53x = 709,517,025.59
  5. Step 5: Solve for x
    x = 709,517,025.59/38,569.53
  6. Step 6: Final answer
    x = 18,395.79

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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.