Home / 36,561.38-54,842.07-13,187.81

Finding the Fourth Proportional to 36,561.38, 54,842.07 and 13,187.81

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Solution

The fourth proportional to 36,561.38, 54,842.07 and 13,187.81 is: 19,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.38 : 54,842.07 = 13,187.81 : x
  2. Step 2: Convert to fraction form
    36,561.38/54,842.07 = 13,187.81/x
  3. Step 3: Cross multiply
    36,561.38x = 54,842.07 × 13,187.81
  4. Step 4: Simplify right side
    36,561.38x = 723,246,799.17
  5. Step 5: Solve for x
    x = 723,246,799.17/36,561.38
  6. Step 6: Final answer
    x = 19,781.72

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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.