Home / 36,072.56-49,781.24-20,157.68

Finding the Fourth Proportional to 36,072.56, 49,781.24 and 20,157.68

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Solution

The fourth proportional to 36,072.56, 49,781.24 and 20,157.68 is: 27,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.56 : 49,781.24 = 20,157.68 : x
  2. Step 2: Convert to fraction form
    36,072.56/49,781.24 = 20,157.68/x
  3. Step 3: Cross multiply
    36,072.56x = 49,781.24 × 20,157.68
  4. Step 4: Simplify right side
    36,072.56x = 1,003,473,956.23
  5. Step 5: Solve for x
    x = 1,003,473,956.23/36,072.56
  6. Step 6: Final answer
    x = 27,818.21

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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.