Home / 48,836.70-73,263.15-20,770.20

Finding the Fourth Proportional to 48,836.70, 73,263.15 and 20,770.20

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Solution

The fourth proportional to 48,836.70, 73,263.15 and 20,770.20 is: 31,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,836.70 : 73,263.15 = 20,770.20 : x
  2. Step 2: Convert to fraction form
    48,836.70/73,263.15 = 20,770.20/x
  3. Step 3: Cross multiply
    48,836.70x = 73,263.15 × 20,770.20
  4. Step 4: Simplify right side
    48,836.70x = 1,521,690,278.13
  5. Step 5: Solve for x
    x = 1,521,690,278.13/48,836.70
  6. Step 6: Final answer
    x = 31,158.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.