Home / 40,786.81-56,284.91-22,881.49

Finding the Fourth Proportional to 40,786.81, 56,284.91 and 22,881.49

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Solution

The fourth proportional to 40,786.81, 56,284.91 and 22,881.49 is: 31,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.81 : 56,284.91 = 22,881.49 : x
  2. Step 2: Convert to fraction form
    40,786.81/56,284.91 = 22,881.49/x
  3. Step 3: Cross multiply
    40,786.81x = 56,284.91 × 22,881.49
  4. Step 4: Simplify right side
    40,786.81x = 1,287,882,436.00
  5. Step 5: Solve for x
    x = 1,287,882,436.00/40,786.81
  6. Step 6: Final answer
    x = 31,575.96

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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.