Home / 37,125.88-55,687.34-12,167.80

Finding the Fourth Proportional to 37,125.88, 55,687.34 and 12,167.80

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Solution

The fourth proportional to 37,125.88, 55,687.34 and 12,167.80 is: 18,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,125.88 : 55,687.34 = 12,167.80 : x
  2. Step 2: Convert to fraction form
    37,125.88/55,687.34 = 12,167.80/x
  3. Step 3: Cross multiply
    37,125.88x = 55,687.34 × 12,167.80
  4. Step 4: Simplify right side
    37,125.88x = 677,592,415.65
  5. Step 5: Solve for x
    x = 677,592,415.65/37,125.88
  6. Step 6: Final answer
    x = 18,251.21

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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.