Home / 42,739.45-64,092.77-17,791.25

Finding the Fourth Proportional to 42,739.45, 64,092.77 and 17,791.25

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Solution

The fourth proportional to 42,739.45, 64,092.77 and 17,791.25 is: 26,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,739.45 : 64,092.77 = 17,791.25 : x
  2. Step 2: Convert to fraction form
    42,739.45/64,092.77 = 17,791.25/x
  3. Step 3: Cross multiply
    42,739.45x = 64,092.77 × 17,791.25
  4. Step 4: Simplify right side
    42,739.45x = 1,140,290,151.56
  5. Step 5: Solve for x
    x = 1,140,290,151.56/42,739.45
  6. Step 6: Final answer
    x = 26,680.04

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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.