Home / 38,274.56-52,819.80-21,279.32

Finding the Fourth Proportional to 38,274.56, 52,819.80 and 21,279.32

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Solution

The fourth proportional to 38,274.56, 52,819.80 and 21,279.32 is: 29,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.56 : 52,819.80 = 21,279.32 : x
  2. Step 2: Convert to fraction form
    38,274.56/52,819.80 = 21,279.32/x
  3. Step 3: Cross multiply
    38,274.56x = 52,819.80 × 21,279.32
  4. Step 4: Simplify right side
    38,274.56x = 1,123,969,426.54
  5. Step 5: Solve for x
    x = 1,123,969,426.54/38,274.56
  6. Step 6: Final answer
    x = 29,365.97

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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.