Home / 38,245.64-52,778.31-21,250.04

Finding the Fourth Proportional to 38,245.64, 52,778.31 and 21,250.04

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Solution

The fourth proportional to 38,245.64, 52,778.31 and 21,250.04 is: 29,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.64 : 52,778.31 = 21,250.04 : x
  2. Step 2: Convert to fraction form
    38,245.64/52,778.31 = 21,250.04/x
  3. Step 3: Cross multiply
    38,245.64x = 52,778.31 × 21,250.04
  4. Step 4: Simplify right side
    38,245.64x = 1,121,541,198.63
  5. Step 5: Solve for x
    x = 1,121,541,198.63/38,245.64
  6. Step 6: Final answer
    x = 29,324.68

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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.