Home / 38,159.44-52,662.72-21,169.12

Finding the Fourth Proportional to 38,159.44, 52,662.72 and 21,169.12

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Solution

The fourth proportional to 38,159.44, 52,662.72 and 21,169.12 is: 29,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,159.44 : 52,662.72 = 21,169.12 : x
  2. Step 2: Convert to fraction form
    38,159.44/52,662.72 = 21,169.12/x
  3. Step 3: Cross multiply
    38,159.44x = 52,662.72 × 21,169.12
  4. Step 4: Simplify right side
    38,159.44x = 1,114,823,439.21
  5. Step 5: Solve for x
    x = 1,114,823,439.21/38,159.44
  6. Step 6: Final answer
    x = 29,214.88

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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.