Home / 56,669.09-78,201.77-31,175.33

Finding the Fourth Proportional to 56,669.09, 78,201.77 and 31,175.33

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Solution

The fourth proportional to 56,669.09, 78,201.77 and 31,175.33 is: 43,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,669.09 : 78,201.77 = 31,175.33 : x
  2. Step 2: Convert to fraction form
    56,669.09/78,201.77 = 31,175.33/x
  3. Step 3: Cross multiply
    56,669.09x = 78,201.77 × 31,175.33
  4. Step 4: Simplify right side
    56,669.09x = 2,437,965,439.45
  5. Step 5: Solve for x
    x = 2,437,965,439.45/56,669.09
  6. Step 6: Final answer
    x = 43,021.08

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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.