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Finding the Fourth Proportional to 30,605.25, 45,908.24 and 11,886.33

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Solution

The fourth proportional to 30,605.25, 45,908.24 and 11,886.33 is: 17,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,605.25 : 45,908.24 = 11,886.33 : x
  2. Step 2: Convert to fraction form
    30,605.25/45,908.24 = 11,886.33/x
  3. Step 3: Cross multiply
    30,605.25x = 45,908.24 × 11,886.33
  4. Step 4: Simplify right side
    30,605.25x = 545,680,430.93
  5. Step 5: Solve for x
    x = 545,680,430.93/30,605.25
  6. Step 6: Final answer
    x = 17,829.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.