Home / 37,156.12-55,732.22-12,192.88

Finding the Fourth Proportional to 37,156.12, 55,732.22 and 12,192.88

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Solution

The fourth proportional to 37,156.12, 55,732.22 and 12,192.88 is: 18,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,156.12 : 55,732.22 = 12,192.88 : x
  2. Step 2: Convert to fraction form
    37,156.12/55,732.22 = 12,192.88/x
  3. Step 3: Cross multiply
    37,156.12x = 55,732.22 × 12,192.88
  4. Step 4: Simplify right side
    37,156.12x = 679,536,270.59
  5. Step 5: Solve for x
    x = 679,536,270.59/37,156.12
  6. Step 6: Final answer
    x = 18,288.68

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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.