Home / 36,278.20-50,060.46-20,359

Finding the Fourth Proportional to 36,278.20, 50,060.46 and 20,359

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Solution

The fourth proportional to 36,278.20, 50,060.46 and 20,359 is: 28,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.20 : 50,060.46 = 20,359 : x
  2. Step 2: Convert to fraction form
    36,278.20/50,060.46 = 20,359/x
  3. Step 3: Cross multiply
    36,278.20x = 50,060.46 × 20,359
  4. Step 4: Simplify right side
    36,278.20x = 1,019,180,905.14
  5. Step 5: Solve for x
    x = 1,019,180,905.14/36,278.20
  6. Step 6: Final answer
    x = 28,093.48

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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.