Home / 40,721.88-56,198.51-22,822.66

Finding the Fourth Proportional to 40,721.88, 56,198.51 and 22,822.66

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Solution

The fourth proportional to 40,721.88, 56,198.51 and 22,822.66 is: 31,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.88 : 56,198.51 = 22,822.66 : x
  2. Step 2: Convert to fraction form
    40,721.88/56,198.51 = 22,822.66/x
  3. Step 3: Cross multiply
    40,721.88x = 56,198.51 × 22,822.66
  4. Step 4: Simplify right side
    40,721.88x = 1,282,599,486.24
  5. Step 5: Solve for x
    x = 1,282,599,486.24/40,721.88
  6. Step 6: Final answer
    x = 31,496.57

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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.