Home / 51,304.52-76,983.42-38,820.85

Finding the Fourth Proportional to 51,304.52, 76,983.42 and 38,820.85

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Solution

The fourth proportional to 51,304.52, 76,983.42 and 38,820.85 is: 58,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,304.52 : 76,983.42 = 38,820.85 : x
  2. Step 2: Convert to fraction form
    51,304.52/76,983.42 = 38,820.85/x
  3. Step 3: Cross multiply
    51,304.52x = 76,983.42 × 38,820.85
  4. Step 4: Simplify right side
    51,304.52x = 2,988,561,800.31
  5. Step 5: Solve for x
    x = 2,988,561,800.31/51,304.52
  6. Step 6: Final answer
    x = 58,251.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.