Home / 31,709.21-43,760.07-17,562.05

Finding the Fourth Proportional to 31,709.21, 43,760.07 and 17,562.05

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Solution

The fourth proportional to 31,709.21, 43,760.07 and 17,562.05 is: 24,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.21 : 43,760.07 = 17,562.05 : x
  2. Step 2: Convert to fraction form
    31,709.21/43,760.07 = 17,562.05/x
  3. Step 3: Cross multiply
    31,709.21x = 43,760.07 × 17,562.05
  4. Step 4: Simplify right side
    31,709.21x = 768,516,318.54
  5. Step 5: Solve for x
    x = 768,516,318.54/31,709.21
  6. Step 6: Final answer
    x = 24,236.38

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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.