Home / 36,768.18-50,731.28-21,659.70

Finding the Fourth Proportional to 36,768.18, 50,731.28 and 21,659.70

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Solution

The fourth proportional to 36,768.18, 50,731.28 and 21,659.70 is: 29,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,768.18 : 50,731.28 = 21,659.70 : x
  2. Step 2: Convert to fraction form
    36,768.18/50,731.28 = 21,659.70/x
  3. Step 3: Cross multiply
    36,768.18x = 50,731.28 × 21,659.70
  4. Step 4: Simplify right side
    36,768.18x = 1,098,824,305.42
  5. Step 5: Solve for x
    x = 1,098,824,305.42/36,768.18
  6. Step 6: Final answer
    x = 29,885.20

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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.