Home / 38,022.39-57,040.07-11,722.23

Finding the Fourth Proportional to 38,022.39, 57,040.07 and 11,722.23

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Solution

The fourth proportional to 38,022.39, 57,040.07 and 11,722.23 is: 17,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022.39 : 57,040.07 = 11,722.23 : x
  2. Step 2: Convert to fraction form
    38,022.39/57,040.07 = 11,722.23/x
  3. Step 3: Cross multiply
    38,022.39x = 57,040.07 × 11,722.23
  4. Step 4: Simplify right side
    38,022.39x = 668,636,761.14
  5. Step 5: Solve for x
    x = 668,636,761.14/38,022.39
  6. Step 6: Final answer
    x = 17,585.34

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Half scale
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Double scale
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Similar ratio
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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.