Home / 38,961.36-58,450.32-12,665.52

Finding the Fourth Proportional to 38,961.36, 58,450.32 and 12,665.52

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Solution

The fourth proportional to 38,961.36, 58,450.32 and 12,665.52 is: 19,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.36 : 58,450.32 = 12,665.52 : x
  2. Step 2: Convert to fraction form
    38,961.36/58,450.32 = 12,665.52/x
  3. Step 3: Cross multiply
    38,961.36x = 58,450.32 × 12,665.52
  4. Step 4: Simplify right side
    38,961.36x = 740,303,696.97
  5. Step 5: Solve for x
    x = 740,303,696.97/38,961.36
  6. Step 6: Final answer
    x = 19,000.97

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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.