Home / 29,433.64-40,618.74-16,861

Finding the Fourth Proportional to 29,433.64, 40,618.74 and 16,861

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Solution

The fourth proportional to 29,433.64, 40,618.74 and 16,861 is: 23,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,433.64 : 40,618.74 = 16,861 : x
  2. Step 2: Convert to fraction form
    29,433.64/40,618.74 = 16,861/x
  3. Step 3: Cross multiply
    29,433.64x = 40,618.74 × 16,861
  4. Step 4: Simplify right side
    29,433.64x = 684,872,575.14
  5. Step 5: Solve for x
    x = 684,872,575.14/29,433.64
  6. Step 6: Final answer
    x = 23,268.36

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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.