Home / 39,882.66-59,821.83-12,178.50

Finding the Fourth Proportional to 39,882.66, 59,821.83 and 12,178.50

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Solution

The fourth proportional to 39,882.66, 59,821.83 and 12,178.50 is: 18,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,882.66 : 59,821.83 = 12,178.50 : x
  2. Step 2: Convert to fraction form
    39,882.66/59,821.83 = 12,178.50/x
  3. Step 3: Cross multiply
    39,882.66x = 59,821.83 × 12,178.50
  4. Step 4: Simplify right side
    39,882.66x = 728,540,156.66
  5. Step 5: Solve for x
    x = 728,540,156.66/39,882.66
  6. Step 6: Final answer
    x = 18,267.09

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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.