Home / 31,697.40-43,743.81-17,550.27

Finding the Fourth Proportional to 31,697.40, 43,743.81 and 17,550.27

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Solution

The fourth proportional to 31,697.40, 43,743.81 and 17,550.27 is: 24,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.40 : 43,743.81 = 17,550.27 : x
  2. Step 2: Convert to fraction form
    31,697.40/43,743.81 = 17,550.27/x
  3. Step 3: Cross multiply
    31,697.40x = 43,743.81 × 17,550.27
  4. Step 4: Simplify right side
    31,697.40x = 767,715,676.33
  5. Step 5: Solve for x
    x = 767,715,676.33/31,697.40
  6. Step 6: Final answer
    x = 24,220.15

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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.