Home / 39,883.66-59,823.33-12,179.50

Finding the Fourth Proportional to 39,883.66, 59,823.33 and 12,179.50

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Solution

The fourth proportional to 39,883.66, 59,823.33 and 12,179.50 is: 18,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,883.66 : 59,823.33 = 12,179.50 : x
  2. Step 2: Convert to fraction form
    39,883.66/59,823.33 = 12,179.50/x
  3. Step 3: Cross multiply
    39,883.66x = 59,823.33 × 12,179.50
  4. Step 4: Simplify right side
    39,883.66x = 728,618,247.74
  5. Step 5: Solve for x
    x = 728,618,247.74/39,883.66
  6. Step 6: Final answer
    x = 18,268.59

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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.