Home / 38,072.16-57,114.32-13,106.04

Finding the Fourth Proportional to 38,072.16, 57,114.32 and 13,106.04

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Solution

The fourth proportional to 38,072.16, 57,114.32 and 13,106.04 is: 19,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.16 : 57,114.32 = 13,106.04 : x
  2. Step 2: Convert to fraction form
    38,072.16/57,114.32 = 13,106.04/x
  3. Step 3: Cross multiply
    38,072.16x = 57,114.32 × 13,106.04
  4. Step 4: Simplify right side
    38,072.16x = 748,542,562.49
  5. Step 5: Solve for x
    x = 748,542,562.49/38,072.16
  6. Step 6: Final answer
    x = 19,661.15

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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.