Home / 36,678.42-54,993.33-13,305.06

Finding the Fourth Proportional to 36,678.42, 54,993.33 and 13,305.06

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Solution

The fourth proportional to 36,678.42, 54,993.33 and 13,305.06 is: 19,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.42 : 54,993.33 = 13,305.06 : x
  2. Step 2: Convert to fraction form
    36,678.42/54,993.33 = 13,305.06/x
  3. Step 3: Cross multiply
    36,678.42x = 54,993.33 × 13,305.06
  4. Step 4: Simplify right side
    36,678.42x = 731,689,555.25
  5. Step 5: Solve for x
    x = 731,689,555.25/36,678.42
  6. Step 6: Final answer
    x = 19,948.78

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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.