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Finding the Fourth Proportional to 32,606.32, 45,007.44 and 19,177

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Solution

The fourth proportional to 32,606.32, 45,007.44 and 19,177 is: 26,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,606.32 : 45,007.44 = 19,177 : x
  2. Step 2: Convert to fraction form
    32,606.32/45,007.44 = 19,177/x
  3. Step 3: Cross multiply
    32,606.32x = 45,007.44 × 19,177
  4. Step 4: Simplify right side
    32,606.32x = 863,107,676.88
  5. Step 5: Solve for x
    x = 863,107,676.88/32,606.32
  6. Step 6: Final answer
    x = 26,470.56

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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.