Home / 38,308.97-52,872.66-22,390.31

Finding the Fourth Proportional to 38,308.97, 52,872.66 and 22,390.31

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Solution

The fourth proportional to 38,308.97, 52,872.66 and 22,390.31 is: 30,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308.97 : 52,872.66 = 22,390.31 : x
  2. Step 2: Convert to fraction form
    38,308.97/52,872.66 = 22,390.31/x
  3. Step 3: Cross multiply
    38,308.97x = 52,872.66 × 22,390.31
  4. Step 4: Simplify right side
    38,308.97x = 1,183,834,983.56
  5. Step 5: Solve for x
    x = 1,183,834,983.56/38,308.97
  6. Step 6: Final answer
    x = 30,902.30

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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.