Home / 36,056.56-49,753.11-20,138.98

Finding the Fourth Proportional to 36,056.56, 49,753.11 and 20,138.98

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Solution

The fourth proportional to 36,056.56, 49,753.11 and 20,138.98 is: 27,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,056.56 : 49,753.11 = 20,138.98 : x
  2. Step 2: Convert to fraction form
    36,056.56/49,753.11 = 20,138.98/x
  3. Step 3: Cross multiply
    36,056.56x = 49,753.11 × 20,138.98
  4. Step 4: Simplify right side
    36,056.56x = 1,001,976,887.23
  5. Step 5: Solve for x
    x = 1,001,976,887.23/36,056.56
  6. Step 6: Final answer
    x = 27,789.03

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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.