Home / 37,149.87-55,722.84-12,186.63

Finding the Fourth Proportional to 37,149.87, 55,722.84 and 12,186.63

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Solution

The fourth proportional to 37,149.87, 55,722.84 and 12,186.63 is: 18,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.87 : 55,722.84 = 12,186.63 : x
  2. Step 2: Convert to fraction form
    37,149.87/55,722.84 = 12,186.63/x
  3. Step 3: Cross multiply
    37,149.87x = 55,722.84 × 12,186.63
  4. Step 4: Simplify right side
    37,149.87x = 679,073,633.63
  5. Step 5: Solve for x
    x = 679,073,633.63/37,149.87
  6. Step 6: Final answer
    x = 18,279.30

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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.