Home / 36,633.88-54,955.22-12,936.55

Finding the Fourth Proportional to 36,633.88, 54,955.22 and 12,936.55

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Solution

The fourth proportional to 36,633.88, 54,955.22 and 12,936.55 is: 19,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,633.88 : 54,955.22 = 12,936.55 : x
  2. Step 2: Convert to fraction form
    36,633.88/54,955.22 = 12,936.55/x
  3. Step 3: Cross multiply
    36,633.88x = 54,955.22 × 12,936.55
  4. Step 4: Simplify right side
    36,633.88x = 710,930,951.29
  5. Step 5: Solve for x
    x = 710,930,951.29/36,633.88
  6. Step 6: Final answer
    x = 19,406.38

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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.