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Finding the Fourth Proportional to 40,666, 56,119.06 and 22,761

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Solution

The fourth proportional to 40,666, 56,119.06 and 22,761 is: 31,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,666 : 56,119.06 = 22,761 : x
  2. Step 2: Convert to fraction form
    40,666/56,119.06 = 22,761/x
  3. Step 3: Cross multiply
    40,666x = 56,119.06 × 22,761
  4. Step 4: Simplify right side
    40,666x = 1,277,325,924.66
  5. Step 5: Solve for x
    x = 1,277,325,924.66/40,666
  6. Step 6: Final answer
    x = 31,410.17

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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.