Home / 38,743.36-58,112.98-12,446.05

Finding the Fourth Proportional to 38,743.36, 58,112.98 and 12,446.05

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Solution

The fourth proportional to 38,743.36, 58,112.98 and 12,446.05 is: 18,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,743.36 : 58,112.98 = 12,446.05 : x
  2. Step 2: Convert to fraction form
    38,743.36/58,112.98 = 12,446.05/x
  3. Step 3: Cross multiply
    38,743.36x = 58,112.98 × 12,446.05
  4. Step 4: Simplify right side
    38,743.36x = 723,277,054.73
  5. Step 5: Solve for x
    x = 723,277,054.73/38,743.36
  6. Step 6: Final answer
    x = 18,668.41

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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.