Home / 38,569.21-57,862.50-13,611.04

Finding the Fourth Proportional to 38,569.21, 57,862.50 and 13,611.04

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Solution

The fourth proportional to 38,569.21, 57,862.50 and 13,611.04 is: 20,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.21 : 57,862.50 = 13,611.04 : x
  2. Step 2: Convert to fraction form
    38,569.21/57,862.50 = 13,611.04/x
  3. Step 3: Cross multiply
    38,569.21x = 57,862.50 × 13,611.04
  4. Step 4: Simplify right side
    38,569.21x = 787,568,802
  5. Step 5: Solve for x
    x = 787,568,802/38,569.21
  6. Step 6: Final answer
    x = 20,419.62

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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.