Home / 49,897.65-74,878.60-19,906.77

Finding the Fourth Proportional to 49,897.65, 74,878.60 and 19,906.77

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Solution

The fourth proportional to 49,897.65, 74,878.60 and 19,906.77 is: 29,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897.65 : 74,878.60 = 19,906.77 : x
  2. Step 2: Convert to fraction form
    49,897.65/74,878.60 = 19,906.77/x
  3. Step 3: Cross multiply
    49,897.65x = 74,878.60 × 19,906.77
  4. Step 4: Simplify right side
    49,897.65x = 1,490,591,093.01
  5. Step 5: Solve for x
    x = 1,490,591,093.01/49,897.65
  6. Step 6: Final answer
    x = 29,872.97

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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.