Home / 57,297.75-79,062.47-31,804.31

Finding the Fourth Proportional to 57,297.75, 79,062.47 and 31,804.31

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Solution

The fourth proportional to 57,297.75, 79,062.47 and 31,804.31 is: 43,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.75 : 79,062.47 = 31,804.31 : x
  2. Step 2: Convert to fraction form
    57,297.75/79,062.47 = 31,804.31/x
  3. Step 3: Cross multiply
    57,297.75x = 79,062.47 × 31,804.31
  4. Step 4: Simplify right side
    57,297.75x = 2,514,527,166.66
  5. Step 5: Solve for x
    x = 2,514,527,166.66/57,297.75
  6. Step 6: Final answer
    x = 43,885.27

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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.