Home / 38,983.88-53,797.47-30,494.68

Finding the Fourth Proportional to 38,983.88, 53,797.47 and 30,494.68

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Solution

The fourth proportional to 38,983.88, 53,797.47 and 30,494.68 is: 42,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983.88 : 53,797.47 = 30,494.68 : x
  2. Step 2: Convert to fraction form
    38,983.88/53,797.47 = 30,494.68/x
  3. Step 3: Cross multiply
    38,983.88x = 53,797.47 × 30,494.68
  4. Step 4: Simplify right side
    38,983.88x = 1,640,536,383.61
  5. Step 5: Solve for x
    x = 1,640,536,383.61/38,983.88
  6. Step 6: Final answer
    x = 42,082.43

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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.