Home / 38,007.38-52,449.81-21,240.38

Finding the Fourth Proportional to 38,007.38, 52,449.81 and 21,240.38

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Solution

The fourth proportional to 38,007.38, 52,449.81 and 21,240.38 is: 29,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.38 : 52,449.81 = 21,240.38 : x
  2. Step 2: Convert to fraction form
    38,007.38/52,449.81 = 21,240.38/x
  3. Step 3: Cross multiply
    38,007.38x = 52,449.81 × 21,240.38
  4. Step 4: Simplify right side
    38,007.38x = 1,114,053,895.33
  5. Step 5: Solve for x
    x = 1,114,053,895.33/38,007.38
  6. Step 6: Final answer
    x = 29,311.52

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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.