Home / 38,569.71-57,863.25-13,611.54

Finding the Fourth Proportional to 38,569.71, 57,863.25 and 13,611.54

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Solution

The fourth proportional to 38,569.71, 57,863.25 and 13,611.54 is: 20,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.71 : 57,863.25 = 13,611.54 : x
  2. Step 2: Convert to fraction form
    38,569.71/57,863.25 = 13,611.54/x
  3. Step 3: Cross multiply
    38,569.71x = 57,863.25 × 13,611.54
  4. Step 4: Simplify right side
    38,569.71x = 787,607,941.91
  5. Step 5: Solve for x
    x = 787,607,941.91/38,569.71
  6. Step 6: Final answer
    x = 20,420.38

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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.