Home / 38,274.20-52,818.86-21,279.48

Finding the Fourth Proportional to 38,274.20, 52,818.86 and 21,279.48

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Solution

The fourth proportional to 38,274.20, 52,818.86 and 21,279.48 is: 29,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.20 : 52,818.86 = 21,279.48 : x
  2. Step 2: Convert to fraction form
    38,274.20/52,818.86 = 21,279.48/x
  3. Step 3: Cross multiply
    38,274.20x = 52,818.86 × 21,279.48
  4. Step 4: Simplify right side
    38,274.20x = 1,123,957,874.99
  5. Step 5: Solve for x
    x = 1,123,957,874.99/38,274.20
  6. Step 6: Final answer
    x = 29,365.94

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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.