Home / 37,818.58-52,189.21-20,822.48

Finding the Fourth Proportional to 37,818.58, 52,189.21 and 20,822.48

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Solution

The fourth proportional to 37,818.58, 52,189.21 and 20,822.48 is: 28,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,818.58 : 52,189.21 = 20,822.48 : x
  2. Step 2: Convert to fraction form
    37,818.58/52,189.21 = 20,822.48/x
  3. Step 3: Cross multiply
    37,818.58x = 52,189.21 × 20,822.48
  4. Step 4: Simplify right side
    37,818.58x = 1,086,708,520.49
  5. Step 5: Solve for x
    x = 1,086,708,520.49/37,818.58
  6. Step 6: Final answer
    x = 28,734.78

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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.