Home / 38,443.83-57,667.48-11,787.87

Finding the Fourth Proportional to 38,443.83, 57,667.48 and 11,787.87

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Solution

The fourth proportional to 38,443.83, 57,667.48 and 11,787.87 is: 17,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,443.83 : 57,667.48 = 11,787.87 : x
  2. Step 2: Convert to fraction form
    38,443.83/57,667.48 = 11,787.87/x
  3. Step 3: Cross multiply
    38,443.83x = 57,667.48 × 11,787.87
  4. Step 4: Simplify right side
    38,443.83x = 679,776,698.53
  5. Step 5: Solve for x
    x = 679,776,698.53/38,443.83
  6. Step 6: Final answer
    x = 17,682.34

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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.