Home / 38,340.46-52,906.80-21,343.42

Finding the Fourth Proportional to 38,340.46, 52,906.80 and 21,343.42

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Solution

The fourth proportional to 38,340.46, 52,906.80 and 21,343.42 is: 29,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.46 : 52,906.80 = 21,343.42 : x
  2. Step 2: Convert to fraction form
    38,340.46/52,906.80 = 21,343.42/x
  3. Step 3: Cross multiply
    38,340.46x = 52,906.80 × 21,343.42
  4. Step 4: Simplify right side
    38,340.46x = 1,129,212,053.26
  5. Step 5: Solve for x
    x = 1,129,212,053.26/38,340.46
  6. Step 6: Final answer
    x = 29,452.23

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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.