Home / 35,105.61-52,694.85-20,343.36

Finding the Fourth Proportional to 35,105.61, 52,694.85 and 20,343.36

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Solution

The fourth proportional to 35,105.61, 52,694.85 and 20,343.36 is: 30,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.61 : 52,694.85 = 20,343.36 : x
  2. Step 2: Convert to fraction form
    35,105.61/52,694.85 = 20,343.36/x
  3. Step 3: Cross multiply
    35,105.61x = 52,694.85 × 20,343.36
  4. Step 4: Simplify right side
    35,105.61x = 1,071,990,303.70
  5. Step 5: Solve for x
    x = 1,071,990,303.70/35,105.61
  6. Step 6: Final answer
    x = 30,536.15

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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.