Home / 31,698.76-43,744.27-17,551.60

Finding the Fourth Proportional to 31,698.76, 43,744.27 and 17,551.60

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Solution

The fourth proportional to 31,698.76, 43,744.27 and 17,551.60 is: 24,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,698.76 : 43,744.27 = 17,551.60 : x
  2. Step 2: Convert to fraction form
    31,698.76/43,744.27 = 17,551.60/x
  3. Step 3: Cross multiply
    31,698.76x = 43,744.27 × 17,551.60
  4. Step 4: Simplify right side
    31,698.76x = 767,781,929.33
  5. Step 5: Solve for x
    x = 767,781,929.33/31,698.76
  6. Step 6: Final answer
    x = 24,221.20

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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.