Home / 40,879.26-56,418.06-22,731.79

Finding the Fourth Proportional to 40,879.26, 56,418.06 and 22,731.79

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Solution

The fourth proportional to 40,879.26, 56,418.06 and 22,731.79 is: 31,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,879.26 : 56,418.06 = 22,731.79 : x
  2. Step 2: Convert to fraction form
    40,879.26/56,418.06 = 22,731.79/x
  3. Step 3: Cross multiply
    40,879.26x = 56,418.06 × 22,731.79
  4. Step 4: Simplify right side
    40,879.26x = 1,282,483,492.13
  5. Step 5: Solve for x
    x = 1,282,483,492.13/40,879.26
  6. Step 6: Final answer
    x = 31,372.47

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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.