Home / 47,943.27-66,153.81-27,791.90

Finding the Fourth Proportional to 47,943.27, 66,153.81 and 27,791.90

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Solution

The fourth proportional to 47,943.27, 66,153.81 and 27,791.90 is: 38,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.27 : 66,153.81 = 27,791.90 : x
  2. Step 2: Convert to fraction form
    47,943.27/66,153.81 = 27,791.90/x
  3. Step 3: Cross multiply
    47,943.27x = 66,153.81 × 27,791.90
  4. Step 4: Simplify right side
    47,943.27x = 1,838,539,741.37
  5. Step 5: Solve for x
    x = 1,838,539,741.37/47,943.27
  6. Step 6: Final answer
    x = 38,348.23

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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.