Home / 31,369.30-43,289.66-17,029.12

Finding the Fourth Proportional to 31,369.30, 43,289.66 and 17,029.12

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Solution

The fourth proportional to 31,369.30, 43,289.66 and 17,029.12 is: 23,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.30 : 43,289.66 = 17,029.12 : x
  2. Step 2: Convert to fraction form
    31,369.30/43,289.66 = 17,029.12/x
  3. Step 3: Cross multiply
    31,369.30x = 43,289.66 × 17,029.12
  4. Step 4: Simplify right side
    31,369.30x = 737,184,814.90
  5. Step 5: Solve for x
    x = 737,184,814.90/31,369.30
  6. Step 6: Final answer
    x = 23,500.20

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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.