Home / 57,304.51-79,078.97-31,809.38

Finding the Fourth Proportional to 57,304.51, 79,078.97 and 31,809.38

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Solution

The fourth proportional to 57,304.51, 79,078.97 and 31,809.38 is: 43,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304.51 : 79,078.97 = 31,809.38 : x
  2. Step 2: Convert to fraction form
    57,304.51/79,078.97 = 31,809.38/x
  3. Step 3: Cross multiply
    57,304.51x = 79,078.97 × 31,809.38
  4. Step 4: Simplify right side
    57,304.51x = 2,515,452,847.69
  5. Step 5: Solve for x
    x = 2,515,452,847.69/57,304.51
  6. Step 6: Final answer
    x = 43,896.25

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1.5x scale

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.