Home / 32,918.79-49,378.19-18,120.09

Finding the Fourth Proportional to 32,918.79, 49,378.19 and 18,120.09

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Solution

The fourth proportional to 32,918.79, 49,378.19 and 18,120.09 is: 27,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,918.79 : 49,378.19 = 18,120.09 : x
  2. Step 2: Convert to fraction form
    32,918.79/49,378.19 = 18,120.09/x
  3. Step 3: Cross multiply
    32,918.79x = 49,378.19 × 18,120.09
  4. Step 4: Simplify right side
    32,918.79x = 894,737,246.84
  5. Step 5: Solve for x
    x = 894,737,246.84/32,918.79
  6. Step 6: Final answer
    x = 27,180.14

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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.