Home / 54,708.24-75,491.64-30,838.56

Finding the Fourth Proportional to 54,708.24, 75,491.64 and 30,838.56

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Solution

The fourth proportional to 54,708.24, 75,491.64 and 30,838.56 is: 42,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,708.24 : 75,491.64 = 30,838.56 : x
  2. Step 2: Convert to fraction form
    54,708.24/75,491.64 = 30,838.56/x
  3. Step 3: Cross multiply
    54,708.24x = 75,491.64 × 30,838.56
  4. Step 4: Simplify right side
    54,708.24x = 2,328,053,469.64
  5. Step 5: Solve for x
    x = 2,328,053,469.64/54,708.24
  6. Step 6: Final answer
    x = 42,553.98

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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.