Home / 33,270.18-49,890.63-12,479.10

Finding the Fourth Proportional to 33,270.18, 49,890.63 and 12,479.10

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Solution

The fourth proportional to 33,270.18, 49,890.63 and 12,479.10 is: 18,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.18 : 49,890.63 = 12,479.10 : x
  2. Step 2: Convert to fraction form
    33,270.18/49,890.63 = 12,479.10/x
  3. Step 3: Cross multiply
    33,270.18x = 49,890.63 × 12,479.10
  4. Step 4: Simplify right side
    33,270.18x = 622,590,160.83
  5. Step 5: Solve for x
    x = 622,590,160.83/33,270.18
  6. Step 6: Final answer
    x = 18,713.16

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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.