Home / 37,119.98-55,689.42-12,161.72

Finding the Fourth Proportional to 37,119.98, 55,689.42 and 12,161.72

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Solution

The fourth proportional to 37,119.98, 55,689.42 and 12,161.72 is: 18,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,119.98 : 55,689.42 = 12,161.72 : x
  2. Step 2: Convert to fraction form
    37,119.98/55,689.42 = 12,161.72/x
  3. Step 3: Cross multiply
    37,119.98x = 55,689.42 × 12,161.72
  4. Step 4: Simplify right side
    37,119.98x = 677,279,133.00
  5. Step 5: Solve for x
    x = 677,279,133.00/37,119.98
  6. Step 6: Final answer
    x = 18,245.68

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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.