Home / 38,114.10-57,223.51-19,406.70

Finding the Fourth Proportional to 38,114.10, 57,223.51 and 19,406.70

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Solution

The fourth proportional to 38,114.10, 57,223.51 and 19,406.70 is: 29,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.10 : 57,223.51 = 19,406.70 : x
  2. Step 2: Convert to fraction form
    38,114.10/57,223.51 = 19,406.70/x
  3. Step 3: Cross multiply
    38,114.10x = 57,223.51 × 19,406.70
  4. Step 4: Simplify right side
    38,114.10x = 1,110,519,766.75
  5. Step 5: Solve for x
    x = 1,110,519,766.75/38,114.10
  6. Step 6: Final answer
    x = 29,136.72

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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.