Home / 56,081.22-77,372.94-31,879.74

Finding the Fourth Proportional to 56,081.22, 77,372.94 and 31,879.74

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Solution

The fourth proportional to 56,081.22, 77,372.94 and 31,879.74 is: 43,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,081.22 : 77,372.94 = 31,879.74 : x
  2. Step 2: Convert to fraction form
    56,081.22/77,372.94 = 31,879.74/x
  3. Step 3: Cross multiply
    56,081.22x = 77,372.94 × 31,879.74
  4. Step 4: Simplify right side
    56,081.22x = 2,466,629,210.24
  5. Step 5: Solve for x
    x = 2,466,629,210.24/56,081.22
  6. Step 6: Final answer
    x = 43,983.16

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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.