Home / 35,234.15-52,870.35-20,453.67

Finding the Fourth Proportional to 35,234.15, 52,870.35 and 20,453.67

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Solution

The fourth proportional to 35,234.15, 52,870.35 and 20,453.67 is: 30,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,234.15 : 52,870.35 = 20,453.67 : x
  2. Step 2: Convert to fraction form
    35,234.15/52,870.35 = 20,453.67/x
  3. Step 3: Cross multiply
    35,234.15x = 52,870.35 × 20,453.67
  4. Step 4: Simplify right side
    35,234.15x = 1,081,392,691.68
  5. Step 5: Solve for x
    x = 1,081,392,691.68/35,234.15
  6. Step 6: Final answer
    x = 30,691.61

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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.