Home / 57,304.38-79,078.80-31,809.27

Finding the Fourth Proportional to 57,304.38, 79,078.80 and 31,809.27

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Solution

The fourth proportional to 57,304.38, 79,078.80 and 31,809.27 is: 43,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304.38 : 79,078.80 = 31,809.27 : x
  2. Step 2: Convert to fraction form
    57,304.38/79,078.80 = 31,809.27/x
  3. Step 3: Cross multiply
    57,304.38x = 79,078.80 × 31,809.27
  4. Step 4: Simplify right side
    57,304.38x = 2,515,438,900.48
  5. Step 5: Solve for x
    x = 2,515,438,900.48/57,304.38
  6. Step 6: Final answer
    x = 43,896.10

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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.