Home / 55,190.61-82,785.93-17,749.86

Finding the Fourth Proportional to 55,190.61, 82,785.93 and 17,749.86

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Solution

The fourth proportional to 55,190.61, 82,785.93 and 17,749.86 is: 26,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,190.61 : 82,785.93 = 17,749.86 : x
  2. Step 2: Convert to fraction form
    55,190.61/82,785.93 = 17,749.86/x
  3. Step 3: Cross multiply
    55,190.61x = 82,785.93 × 17,749.86
  4. Step 4: Simplify right side
    55,190.61x = 1,469,438,578.72
  5. Step 5: Solve for x
    x = 1,469,438,578.72/55,190.61
  6. Step 6: Final answer
    x = 26,624.79

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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.