Home / 53,471.10-73,791.84-30,808.28

Finding the Fourth Proportional to 53,471.10, 73,791.84 and 30,808.28

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Solution

The fourth proportional to 53,471.10, 73,791.84 and 30,808.28 is: 42,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,471.10 : 73,791.84 = 30,808.28 : x
  2. Step 2: Convert to fraction form
    53,471.10/73,791.84 = 30,808.28/x
  3. Step 3: Cross multiply
    53,471.10x = 73,791.84 × 30,808.28
  4. Step 4: Simplify right side
    53,471.10x = 2,273,399,668.44
  5. Step 5: Solve for x
    x = 2,273,399,668.44/53,471.10
  6. Step 6: Final answer
    x = 42,516.42

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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.