Home / 51,837.67-71,570.42-39,879.91

Finding the Fourth Proportional to 51,837.67, 71,570.42 and 39,879.91

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Solution

The fourth proportional to 51,837.67, 71,570.42 and 39,879.91 is: 55,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,837.67 : 71,570.42 = 39,879.91 : x
  2. Step 2: Convert to fraction form
    51,837.67/71,570.42 = 39,879.91/x
  3. Step 3: Cross multiply
    51,837.67x = 71,570.42 × 39,879.91
  4. Step 4: Simplify right side
    51,837.67x = 2,854,221,708.86
  5. Step 5: Solve for x
    x = 2,854,221,708.86/51,837.67
  6. Step 6: Final answer
    x = 55,060.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.