Home / 56,827.09-85,131.52-31,791.27

Finding the Fourth Proportional to 56,827.09, 85,131.52 and 31,791.27

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Solution

The fourth proportional to 56,827.09, 85,131.52 and 31,791.27 is: 47,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,827.09 : 85,131.52 = 31,791.27 : x
  2. Step 2: Convert to fraction form
    56,827.09/85,131.52 = 31,791.27/x
  3. Step 3: Cross multiply
    56,827.09x = 85,131.52 × 31,791.27
  4. Step 4: Simplify right side
    56,827.09x = 2,706,439,058.35
  5. Step 5: Solve for x
    x = 2,706,439,058.35/56,827.09
  6. Step 6: Final answer
    x = 47,625.86

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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.