Home / 42,791.25-59,032.04-27,688.78

Finding the Fourth Proportional to 42,791.25, 59,032.04 and 27,688.78

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Solution

The fourth proportional to 42,791.25, 59,032.04 and 27,688.78 is: 38,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,791.25 : 59,032.04 = 27,688.78 : x
  2. Step 2: Convert to fraction form
    42,791.25/59,032.04 = 27,688.78/x
  3. Step 3: Cross multiply
    42,791.25x = 59,032.04 × 27,688.78
  4. Step 4: Simplify right side
    42,791.25x = 1,634,525,237.73
  5. Step 5: Solve for x
    x = 1,634,525,237.73/42,791.25
  6. Step 6: Final answer
    x = 38,197.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.