Home / 38,124.80-57,219.60-17,097.20

Finding the Fourth Proportional to 38,124.80, 57,219.60 and 17,097.20

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Solution

The fourth proportional to 38,124.80, 57,219.60 and 17,097.20 is: 25,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,124.80 : 57,219.60 = 17,097.20 : x
  2. Step 2: Convert to fraction form
    38,124.80/57,219.60 = 17,097.20/x
  3. Step 3: Cross multiply
    38,124.80x = 57,219.60 × 17,097.20
  4. Step 4: Simplify right side
    38,124.80x = 978,294,945.12
  5. Step 5: Solve for x
    x = 978,294,945.12/38,124.80
  6. Step 6: Final answer
    x = 25,660.33

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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.