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Finding the Fourth Proportional to 32,693.59, 49,047.65 and 11,917.09

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Solution

The fourth proportional to 32,693.59, 49,047.65 and 11,917.09 is: 17,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,693.59 : 49,047.65 = 11,917.09 : x
  2. Step 2: Convert to fraction form
    32,693.59/49,047.65 = 11,917.09/x
  3. Step 3: Cross multiply
    32,693.59x = 49,047.65 × 11,917.09
  4. Step 4: Simplify right side
    32,693.59x = 584,504,954.51
  5. Step 5: Solve for x
    x = 584,504,954.51/32,693.59
  6. Step 6: Final answer
    x = 17,878.28

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Why These Related Problems?

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