Home / 35,118.46-52,642.10-12,622.43

Finding the Fourth Proportional to 35,118.46, 52,642.10 and 12,622.43

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Solution

The fourth proportional to 35,118.46, 52,642.10 and 12,622.43 is: 18,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,118.46 : 52,642.10 = 12,622.43 : x
  2. Step 2: Convert to fraction form
    35,118.46/52,642.10 = 12,622.43/x
  3. Step 3: Cross multiply
    35,118.46x = 52,642.10 × 12,622.43
  4. Step 4: Simplify right side
    35,118.46x = 664,471,385.46
  5. Step 5: Solve for x
    x = 664,471,385.46/35,118.46
  6. Step 6: Final answer
    x = 18,920.86

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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.