Home / 38,172.16-57,270.48-27,100.72

Finding the Fourth Proportional to 38,172.16, 57,270.48 and 27,100.72

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Solution

The fourth proportional to 38,172.16, 57,270.48 and 27,100.72 is: 40,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.16 : 57,270.48 = 27,100.72 : x
  2. Step 2: Convert to fraction form
    38,172.16/57,270.48 = 27,100.72/x
  3. Step 3: Cross multiply
    38,172.16x = 57,270.48 × 27,100.72
  4. Step 4: Simplify right side
    38,172.16x = 1,552,071,242.75
  5. Step 5: Solve for x
    x = 1,552,071,242.75/38,172.16
  6. Step 6: Final answer
    x = 40,659.77

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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.