Home / 36,156.21-54,192.74-13,959.87

Finding the Fourth Proportional to 36,156.21, 54,192.74 and 13,959.87

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Solution

The fourth proportional to 36,156.21, 54,192.74 and 13,959.87 is: 20,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,156.21 : 54,192.74 = 13,959.87 : x
  2. Step 2: Convert to fraction form
    36,156.21/54,192.74 = 13,959.87/x
  3. Step 3: Cross multiply
    36,156.21x = 54,192.74 × 13,959.87
  4. Step 4: Simplify right side
    36,156.21x = 756,523,535.54
  5. Step 5: Solve for x
    x = 756,523,535.54/36,156.21
  6. Step 6: Final answer
    x = 20,923.75

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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.