Home / 31,553.53-43,536.11-19,285.83

Finding the Fourth Proportional to 31,553.53, 43,536.11 and 19,285.83

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Solution

The fourth proportional to 31,553.53, 43,536.11 and 19,285.83 is: 26,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.53 : 43,536.11 = 19,285.83 : x
  2. Step 2: Convert to fraction form
    31,553.53/43,536.11 = 19,285.83/x
  3. Step 3: Cross multiply
    31,553.53x = 43,536.11 × 19,285.83
  4. Step 4: Simplify right side
    31,553.53x = 839,629,919.89
  5. Step 5: Solve for x
    x = 839,629,919.89/31,553.53
  6. Step 6: Final answer
    x = 26,609.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.