Home / 31,246.56-43,129.31-17,825.13

Finding the Fourth Proportional to 31,246.56, 43,129.31 and 17,825.13

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Solution

The fourth proportional to 31,246.56, 43,129.31 and 17,825.13 is: 24,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.56 : 43,129.31 = 17,825.13 : x
  2. Step 2: Convert to fraction form
    31,246.56/43,129.31 = 17,825.13/x
  3. Step 3: Cross multiply
    31,246.56x = 43,129.31 × 17,825.13
  4. Step 4: Simplify right side
    31,246.56x = 768,785,468.43
  5. Step 5: Solve for x
    x = 768,785,468.43/31,246.56
  6. Step 6: Final answer
    x = 24,603.84

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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.