Home / 36,121.95-54,185.05-13,935.44

Finding the Fourth Proportional to 36,121.95, 54,185.05 and 13,935.44

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Solution

The fourth proportional to 36,121.95, 54,185.05 and 13,935.44 is: 20,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.95 : 54,185.05 = 13,935.44 : x
  2. Step 2: Convert to fraction form
    36,121.95/54,185.05 = 13,935.44/x
  3. Step 3: Cross multiply
    36,121.95x = 54,185.05 × 13,935.44
  4. Step 4: Simplify right side
    36,121.95x = 755,092,666.05
  5. Step 5: Solve for x
    x = 755,092,666.05/36,121.95
  6. Step 6: Final answer
    x = 20,903.98

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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.