Home / 49,486.54-74,211.36-19,894.39

Finding the Fourth Proportional to 49,486.54, 74,211.36 and 19,894.39

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Solution

The fourth proportional to 49,486.54, 74,211.36 and 19,894.39 is: 29,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,486.54 : 74,211.36 = 19,894.39 : x
  2. Step 2: Convert to fraction form
    49,486.54/74,211.36 = 19,894.39/x
  3. Step 3: Cross multiply
    49,486.54x = 74,211.36 × 19,894.39
  4. Step 4: Simplify right side
    49,486.54x = 1,476,389,738.27
  5. Step 5: Solve for x
    x = 1,476,389,738.27/49,486.54
  6. Step 6: Final answer
    x = 29,834.17

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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.