Home / 36,821.58-55,234.20-10,530.20

Finding the Fourth Proportional to 36,821.58, 55,234.20 and 10,530.20

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Solution

The fourth proportional to 36,821.58, 55,234.20 and 10,530.20 is: 15,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.58 : 55,234.20 = 10,530.20 : x
  2. Step 2: Convert to fraction form
    36,821.58/55,234.20 = 10,530.20/x
  3. Step 3: Cross multiply
    36,821.58x = 55,234.20 × 10,530.20
  4. Step 4: Simplify right side
    36,821.58x = 581,626,896.67
  5. Step 5: Solve for x
    x = 581,626,896.67/36,821.58
  6. Step 6: Final answer
    x = 15,795.82

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1.5x scale

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.