Home / 37,160.79-55,743.03-12,190.74

Finding the Fourth Proportional to 37,160.79, 55,743.03 and 12,190.74

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Solution

The fourth proportional to 37,160.79, 55,743.03 and 12,190.74 is: 18,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,160.79 : 55,743.03 = 12,190.74 : x
  2. Step 2: Convert to fraction form
    37,160.79/55,743.03 = 12,190.74/x
  3. Step 3: Cross multiply
    37,160.79x = 55,743.03 × 12,190.74
  4. Step 4: Simplify right side
    37,160.79x = 679,548,785.54
  5. Step 5: Solve for x
    x = 679,548,785.54/37,160.79
  6. Step 6: Final answer
    x = 18,286.72

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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.