Home / 38,015.36-52,460.38-21,020.32

Finding the Fourth Proportional to 38,015.36, 52,460.38 and 21,020.32

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Solution

The fourth proportional to 38,015.36, 52,460.38 and 21,020.32 is: 29,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.36 : 52,460.38 = 21,020.32 : x
  2. Step 2: Convert to fraction form
    38,015.36/52,460.38 = 21,020.32/x
  3. Step 3: Cross multiply
    38,015.36x = 52,460.38 × 21,020.32
  4. Step 4: Simplify right side
    38,015.36x = 1,102,733,771.68
  5. Step 5: Solve for x
    x = 1,102,733,771.68/38,015.36
  6. Step 6: Final answer
    x = 29,007.59

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.