Home / 39,872.66-59,806.83-12,168.50

Finding the Fourth Proportional to 39,872.66, 59,806.83 and 12,168.50

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Solution

The fourth proportional to 39,872.66, 59,806.83 and 12,168.50 is: 18,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872.66 : 59,806.83 = 12,168.50 : x
  2. Step 2: Convert to fraction form
    39,872.66/59,806.83 = 12,168.50/x
  3. Step 3: Cross multiply
    39,872.66x = 59,806.83 × 12,168.50
  4. Step 4: Simplify right side
    39,872.66x = 727,759,410.86
  5. Step 5: Solve for x
    x = 727,759,410.86/39,872.66
  6. Step 6: Final answer
    x = 18,252.09

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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.