Home / 31,997.26-48,006.69-20,159.92

Finding the Fourth Proportional to 31,997.26, 48,006.69 and 20,159.92

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Solution

The fourth proportional to 31,997.26, 48,006.69 and 20,159.92 is: 30,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,997.26 : 48,006.69 = 20,159.92 : x
  2. Step 2: Convert to fraction form
    31,997.26/48,006.69 = 20,159.92/x
  3. Step 3: Cross multiply
    31,997.26x = 48,006.69 × 20,159.92
  4. Step 4: Simplify right side
    31,997.26x = 967,811,029.86
  5. Step 5: Solve for x
    x = 967,811,029.86/31,997.26
  6. Step 6: Final answer
    x = 30,246.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.