Home / 35,137.12-52,621.21-20,098.66

Finding the Fourth Proportional to 35,137.12, 52,621.21 and 20,098.66

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Solution

The fourth proportional to 35,137.12, 52,621.21 and 20,098.66 is: 30,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,137.12 : 52,621.21 = 20,098.66 : x
  2. Step 2: Convert to fraction form
    35,137.12/52,621.21 = 20,098.66/x
  3. Step 3: Cross multiply
    35,137.12x = 52,621.21 × 20,098.66
  4. Step 4: Simplify right side
    35,137.12x = 1,057,615,444.98
  5. Step 5: Solve for x
    x = 1,057,615,444.98/35,137.12
  6. Step 6: Final answer
    x = 30,099.67

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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.