Home / 31,265.20-43,145.50-17,836.66

Finding the Fourth Proportional to 31,265.20, 43,145.50 and 17,836.66

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Solution

The fourth proportional to 31,265.20, 43,145.50 and 17,836.66 is: 24,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.20 : 43,145.50 = 17,836.66 : x
  2. Step 2: Convert to fraction form
    31,265.20/43,145.50 = 17,836.66/x
  3. Step 3: Cross multiply
    31,265.20x = 43,145.50 × 17,836.66
  4. Step 4: Simplify right side
    31,265.20x = 769,571,614.03
  5. Step 5: Solve for x
    x = 769,571,614.03/31,265.20
  6. Step 6: Final answer
    x = 24,614.32

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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.