Home / 31,996.26-48,005.19-20,158.92

Finding the Fourth Proportional to 31,996.26, 48,005.19 and 20,158.92

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Solution

The fourth proportional to 31,996.26, 48,005.19 and 20,158.92 is: 30,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.26 : 48,005.19 = 20,158.92 : x
  2. Step 2: Convert to fraction form
    31,996.26/48,005.19 = 20,158.92/x
  3. Step 3: Cross multiply
    31,996.26x = 48,005.19 × 20,158.92
  4. Step 4: Simplify right side
    31,996.26x = 967,732,784.79
  5. Step 5: Solve for x
    x = 967,732,784.79/31,996.26
  6. Step 6: Final answer
    x = 30,245.18

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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.