Home / 38,114.72-57,162.86-15,916.04

Finding the Fourth Proportional to 38,114.72, 57,162.86 and 15,916.04

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Solution

The fourth proportional to 38,114.72, 57,162.86 and 15,916.04 is: 23,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.72 : 57,162.86 = 15,916.04 : x
  2. Step 2: Convert to fraction form
    38,114.72/57,162.86 = 15,916.04/x
  3. Step 3: Cross multiply
    38,114.72x = 57,162.86 × 15,916.04
  4. Step 4: Simplify right side
    38,114.72x = 909,806,286.69
  5. Step 5: Solve for x
    x = 909,806,286.69/38,114.72
  6. Step 6: Final answer
    x = 23,870.21

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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.