Home / 56,879.38-85,331.52-17,439.57

Finding the Fourth Proportional to 56,879.38, 85,331.52 and 17,439.57

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Solution

The fourth proportional to 56,879.38, 85,331.52 and 17,439.57 is: 26,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,879.38 : 85,331.52 = 17,439.57 : x
  2. Step 2: Convert to fraction form
    56,879.38/85,331.52 = 17,439.57/x
  3. Step 3: Cross multiply
    56,879.38x = 85,331.52 × 17,439.57
  4. Step 4: Simplify right side
    56,879.38x = 1,488,145,016.25
  5. Step 5: Solve for x
    x = 1,488,145,016.25/56,879.38
  6. Step 6: Final answer
    x = 26,163.17

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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.