Home / 57,283.73-79,049.44-31,791.21

Finding the Fourth Proportional to 57,283.73, 79,049.44 and 31,791.21

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Solution

The fourth proportional to 57,283.73, 79,049.44 and 31,791.21 is: 43,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,283.73 : 79,049.44 = 31,791.21 : x
  2. Step 2: Convert to fraction form
    57,283.73/79,049.44 = 31,791.21/x
  3. Step 3: Cross multiply
    57,283.73x = 79,049.44 × 31,791.21
  4. Step 4: Simplify right side
    57,283.73x = 2,513,077,347.42
  5. Step 5: Solve for x
    x = 2,513,077,347.42/57,283.73
  6. Step 6: Final answer
    x = 43,870.70

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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.