Home / 36,137.40-54,222.30-16,405.80

Finding the Fourth Proportional to 36,137.40, 54,222.30 and 16,405.80

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Solution

The fourth proportional to 36,137.40, 54,222.30 and 16,405.80 is: 24,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,137.40 : 54,222.30 = 16,405.80 : x
  2. Step 2: Convert to fraction form
    36,137.40/54,222.30 = 16,405.80/x
  3. Step 3: Cross multiply
    36,137.40x = 54,222.30 × 16,405.80
  4. Step 4: Simplify right side
    36,137.40x = 889,560,209.34
  5. Step 5: Solve for x
    x = 889,560,209.34/36,137.40
  6. Step 6: Final answer
    x = 24,616.05

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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.