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Finding the Fourth Proportional to 36,888, 55,354.68 and 19,370.40

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Solution

The fourth proportional to 36,888, 55,354.68 and 19,370.40 is: 29,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888 : 55,354.68 = 19,370.40 : x
  2. Step 2: Convert to fraction form
    36,888/55,354.68 = 19,370.40/x
  3. Step 3: Cross multiply
    36,888x = 55,354.68 × 19,370.40
  4. Step 4: Simplify right side
    36,888x = 1,072,242,293.47
  5. Step 5: Solve for x
    x = 1,072,242,293.47/36,888
  6. Step 6: Final answer
    x = 29,067.51

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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.