Home / 38,774.05-53,504.41-21,774.43

Finding the Fourth Proportional to 38,774.05, 53,504.41 and 21,774.43

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Solution

The fourth proportional to 38,774.05, 53,504.41 and 21,774.43 is: 30,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,774.05 : 53,504.41 = 21,774.43 : x
  2. Step 2: Convert to fraction form
    38,774.05/53,504.41 = 21,774.43/x
  3. Step 3: Cross multiply
    38,774.05x = 53,504.41 × 21,774.43
  4. Step 4: Simplify right side
    38,774.05x = 1,165,027,963.65
  5. Step 5: Solve for x
    x = 1,165,027,963.65/38,774.05
  6. Step 6: Final answer
    x = 30,046.59

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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.