Home / 36,195.27-54,260.78-13,690.21

Finding the Fourth Proportional to 36,195.27, 54,260.78 and 13,690.21

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Solution

The fourth proportional to 36,195.27, 54,260.78 and 13,690.21 is: 20,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,195.27 : 54,260.78 = 13,690.21 : x
  2. Step 2: Convert to fraction form
    36,195.27/54,260.78 = 13,690.21/x
  3. Step 3: Cross multiply
    36,195.27x = 54,260.78 × 13,690.21
  4. Step 4: Simplify right side
    36,195.27x = 742,841,472.96
  5. Step 5: Solve for x
    x = 742,841,472.96/36,195.27
  6. Step 6: Final answer
    x = 20,523.16

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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.