Home / 29,436.79-40,623.84-16,863.97

Finding the Fourth Proportional to 29,436.79, 40,623.84 and 16,863.97

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Solution

The fourth proportional to 29,436.79, 40,623.84 and 16,863.97 is: 23,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436.79 : 40,623.84 = 16,863.97 : x
  2. Step 2: Convert to fraction form
    29,436.79/40,623.84 = 16,863.97/x
  3. Step 3: Cross multiply
    29,436.79x = 40,623.84 × 16,863.97
  4. Step 4: Simplify right side
    29,436.79x = 685,079,219.04
  5. Step 5: Solve for x
    x = 685,079,219.04/29,436.79
  6. Step 6: Final answer
    x = 23,272.89

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1.5x scale

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.