Home / 31,400.89-43,333.11-17,060.62

Finding the Fourth Proportional to 31,400.89, 43,333.11 and 17,060.62

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Solution

The fourth proportional to 31,400.89, 43,333.11 and 17,060.62 is: 23,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.89 : 43,333.11 = 17,060.62 : x
  2. Step 2: Convert to fraction form
    31,400.89/43,333.11 = 17,060.62/x
  3. Step 3: Cross multiply
    31,400.89x = 43,333.11 × 17,060.62
  4. Step 4: Simplify right side
    31,400.89x = 739,289,723.13
  5. Step 5: Solve for x
    x = 739,289,723.13/31,400.89
  6. Step 6: Final answer
    x = 23,543.59

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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.