Home / 31,765.45-43,833.39-17,615.56

Finding the Fourth Proportional to 31,765.45, 43,833.39 and 17,615.56

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Solution

The fourth proportional to 31,765.45, 43,833.39 and 17,615.56 is: 24,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.45 : 43,833.39 = 17,615.56 : x
  2. Step 2: Convert to fraction form
    31,765.45/43,833.39 = 17,615.56/x
  3. Step 3: Cross multiply
    31,765.45x = 43,833.39 × 17,615.56
  4. Step 4: Simplify right side
    31,765.45x = 772,149,711.55
  5. Step 5: Solve for x
    x = 772,149,711.55/31,765.45
  6. Step 6: Final answer
    x = 24,307.85

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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.