Home / 19,977.39-29,967.75-5,745.93

Finding the Fourth Proportional to 19,977.39, 29,967.75 and 5,745.93

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Solution

The fourth proportional to 19,977.39, 29,967.75 and 5,745.93 is: 8,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.39 : 29,967.75 = 5,745.93 : x
  2. Step 2: Convert to fraction form
    19,977.39/29,967.75 = 5,745.93/x
  3. Step 3: Cross multiply
    19,977.39x = 29,967.75 × 5,745.93
  4. Step 4: Simplify right side
    19,977.39x = 172,192,593.76
  5. Step 5: Solve for x
    x = 172,192,593.76/19,977.39
  6. Step 6: Final answer
    x = 8,619.37

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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.