Home / 39,796.38-59,707.53-19,021.50

Finding the Fourth Proportional to 39,796.38, 59,707.53 and 19,021.50

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Solution

The fourth proportional to 39,796.38, 59,707.53 and 19,021.50 is: 28,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,796.38 : 59,707.53 = 19,021.50 : x
  2. Step 2: Convert to fraction form
    39,796.38/59,707.53 = 19,021.50/x
  3. Step 3: Cross multiply
    39,796.38x = 59,707.53 × 19,021.50
  4. Step 4: Simplify right side
    39,796.38x = 1,135,726,781.90
  5. Step 5: Solve for x
    x = 1,135,726,781.90/39,796.38
  6. Step 6: Final answer
    x = 28,538.44

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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.