Home / 31,469.04-43,422.21-18,037.62

Finding the Fourth Proportional to 31,469.04, 43,422.21 and 18,037.62

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Solution

The fourth proportional to 31,469.04, 43,422.21 and 18,037.62 is: 24,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.04 : 43,422.21 = 18,037.62 : x
  2. Step 2: Convert to fraction form
    31,469.04/43,422.21 = 18,037.62/x
  3. Step 3: Cross multiply
    31,469.04x = 43,422.21 × 18,037.62
  4. Step 4: Simplify right side
    31,469.04x = 783,233,323.54
  5. Step 5: Solve for x
    x = 783,233,323.54/31,469.04
  6. Step 6: Final answer
    x = 24,889.01

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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.