Home / 40,786.88-56,287.36-22,881.92

Finding the Fourth Proportional to 40,786.88, 56,287.36 and 22,881.92

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Solution

The fourth proportional to 40,786.88, 56,287.36 and 22,881.92 is: 31,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.88 : 56,287.36 = 22,881.92 : x
  2. Step 2: Convert to fraction form
    40,786.88/56,287.36 = 22,881.92/x
  3. Step 3: Cross multiply
    40,786.88x = 56,287.36 × 22,881.92
  4. Step 4: Simplify right side
    40,786.88x = 1,287,962,868.53
  5. Step 5: Solve for x
    x = 1,287,962,868.53/40,786.88
  6. Step 6: Final answer
    x = 31,577.87

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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.