Home / 38,127.80-57,224.10-17,100.20

Finding the Fourth Proportional to 38,127.80, 57,224.10 and 17,100.20

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Solution

The fourth proportional to 38,127.80, 57,224.10 and 17,100.20 is: 25,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.80 : 57,224.10 = 17,100.20 : x
  2. Step 2: Convert to fraction form
    38,127.80/57,224.10 = 17,100.20/x
  3. Step 3: Cross multiply
    38,127.80x = 57,224.10 × 17,100.20
  4. Step 4: Simplify right side
    38,127.80x = 978,543,554.82
  5. Step 5: Solve for x
    x = 978,543,554.82/38,127.80
  6. Step 6: Final answer
    x = 25,664.83

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1.5x scale

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.