Home / 24,231.96-36,168.15-20,885.88

Finding the Fourth Proportional to 24,231.96, 36,168.15 and 20,885.88

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Solution

The fourth proportional to 24,231.96, 36,168.15 and 20,885.88 is: 31,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,231.96 : 36,168.15 = 20,885.88 : x
  2. Step 2: Convert to fraction form
    24,231.96/36,168.15 = 20,885.88/x
  3. Step 3: Cross multiply
    24,231.96x = 36,168.15 × 20,885.88
  4. Step 4: Simplify right side
    24,231.96x = 755,403,640.72
  5. Step 5: Solve for x
    x = 755,403,640.72/24,231.96
  6. Step 6: Final answer
    x = 31,173.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.