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Finding the Fourth Proportional to 32,751.54, 45,198 and 18,606.51

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Solution

The fourth proportional to 32,751.54, 45,198 and 18,606.51 is: 25,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.54 : 45,198 = 18,606.51 : x
  2. Step 2: Convert to fraction form
    32,751.54/45,198 = 18,606.51/x
  3. Step 3: Cross multiply
    32,751.54x = 45,198 × 18,606.51
  4. Step 4: Simplify right side
    32,751.54x = 840,977,038.98
  5. Step 5: Solve for x
    x = 840,977,038.98/32,751.54
  6. Step 6: Final answer
    x = 25,677.48

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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.