Home / 36,334.20-54,501.30-30,631.80

Finding the Fourth Proportional to 36,334.20, 54,501.30 and 30,631.80

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Solution

The fourth proportional to 36,334.20, 54,501.30 and 30,631.80 is: 45,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,334.20 : 54,501.30 = 30,631.80 : x
  2. Step 2: Convert to fraction form
    36,334.20/54,501.30 = 30,631.80/x
  3. Step 3: Cross multiply
    36,334.20x = 54,501.30 × 30,631.80
  4. Step 4: Simplify right side
    36,334.20x = 1,669,472,921.34
  5. Step 5: Solve for x
    x = 1,669,472,921.34/36,334.20
  6. Step 6: Final answer
    x = 45,947.70

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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.