Home / 29,318.60-43,964.94-8,543.72

Finding the Fourth Proportional to 29,318.60, 43,964.94 and 8,543.72

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Solution

The fourth proportional to 29,318.60, 43,964.94 and 8,543.72 is: 12,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.60 : 43,964.94 = 8,543.72 : x
  2. Step 2: Convert to fraction form
    29,318.60/43,964.94 = 8,543.72/x
  3. Step 3: Cross multiply
    29,318.60x = 43,964.94 × 8,543.72
  4. Step 4: Simplify right side
    29,318.60x = 375,624,137.18
  5. Step 5: Solve for x
    x = 375,624,137.18/29,318.60
  6. Step 6: Final answer
    x = 12,811.80

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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.