Home / 29,661.40-40,937.33-16,914.61

Finding the Fourth Proportional to 29,661.40, 40,937.33 and 16,914.61

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Solution

The fourth proportional to 29,661.40, 40,937.33 and 16,914.61 is: 23,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,661.40 : 40,937.33 = 16,914.61 : x
  2. Step 2: Convert to fraction form
    29,661.40/40,937.33 = 16,914.61/x
  3. Step 3: Cross multiply
    29,661.40x = 40,937.33 × 16,914.61
  4. Step 4: Simplify right side
    29,661.40x = 692,438,911.33
  5. Step 5: Solve for x
    x = 692,438,911.33/29,661.40
  6. Step 6: Final answer
    x = 23,344.78

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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.