Home / 36,127.14-54,198.81-12,755.40

Finding the Fourth Proportional to 36,127.14, 54,198.81 and 12,755.40

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Solution

The fourth proportional to 36,127.14, 54,198.81 and 12,755.40 is: 19,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,127.14 : 54,198.81 = 12,755.40 : x
  2. Step 2: Convert to fraction form
    36,127.14/54,198.81 = 12,755.40/x
  3. Step 3: Cross multiply
    36,127.14x = 54,198.81 × 12,755.40
  4. Step 4: Simplify right side
    36,127.14x = 691,327,501.07
  5. Step 5: Solve for x
    x = 691,327,501.07/36,127.14
  6. Step 6: Final answer
    x = 19,135.96

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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.