Home / 29,436.26-40,622.44-16,861

Finding the Fourth Proportional to 29,436.26, 40,622.44 and 16,861

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Solution

The fourth proportional to 29,436.26, 40,622.44 and 16,861 is: 23,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436.26 : 40,622.44 = 16,861 : x
  2. Step 2: Convert to fraction form
    29,436.26/40,622.44 = 16,861/x
  3. Step 3: Cross multiply
    29,436.26x = 40,622.44 × 16,861
  4. Step 4: Simplify right side
    29,436.26x = 684,934,960.84
  5. Step 5: Solve for x
    x = 684,934,960.84/29,436.26
  6. Step 6: Final answer
    x = 23,268.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.