Home / 31,469.14-43,427.58-18,041.20

Finding the Fourth Proportional to 31,469.14, 43,427.58 and 18,041.20

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Solution

The fourth proportional to 31,469.14, 43,427.58 and 18,041.20 is: 24,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.14 : 43,427.58 = 18,041.20 : x
  2. Step 2: Convert to fraction form
    31,469.14/43,427.58 = 18,041.20/x
  3. Step 3: Cross multiply
    31,469.14x = 43,427.58 × 18,041.20
  4. Step 4: Simplify right side
    31,469.14x = 783,485,656.30
  5. Step 5: Solve for x
    x = 783,485,656.30/31,469.14
  6. Step 6: Final answer
    x = 24,896.95

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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.