Home / 31,770.62-43,848.71-17,628.02

Finding the Fourth Proportional to 31,770.62, 43,848.71 and 17,628.02

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Solution

The fourth proportional to 31,770.62, 43,848.71 and 17,628.02 is: 24,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.62 : 43,848.71 = 17,628.02 : x
  2. Step 2: Convert to fraction form
    31,770.62/43,848.71 = 17,628.02/x
  3. Step 3: Cross multiply
    31,770.62x = 43,848.71 × 17,628.02
  4. Step 4: Simplify right side
    31,770.62x = 772,965,629.47
  5. Step 5: Solve for x
    x = 772,965,629.47/31,770.62
  6. Step 6: Final answer
    x = 24,329.58

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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.