Home / 36,877.20-55,315.80-12,253.20

Finding the Fourth Proportional to 36,877.20, 55,315.80 and 12,253.20

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Solution

The fourth proportional to 36,877.20, 55,315.80 and 12,253.20 is: 18,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,877.20 : 55,315.80 = 12,253.20 : x
  2. Step 2: Convert to fraction form
    36,877.20/55,315.80 = 12,253.20/x
  3. Step 3: Cross multiply
    36,877.20x = 55,315.80 × 12,253.20
  4. Step 4: Simplify right side
    36,877.20x = 677,795,560.56
  5. Step 5: Solve for x
    x = 677,795,560.56/36,877.20
  6. Step 6: Final answer
    x = 18,379.80

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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.