Home / 29,450.78-40,643.16-16,877.96

Finding the Fourth Proportional to 29,450.78, 40,643.16 and 16,877.96

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Solution

The fourth proportional to 29,450.78, 40,643.16 and 16,877.96 is: 23,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,450.78 : 40,643.16 = 16,877.96 : x
  2. Step 2: Convert to fraction form
    29,450.78/40,643.16 = 16,877.96/x
  3. Step 3: Cross multiply
    29,450.78x = 40,643.16 × 16,877.96
  4. Step 4: Simplify right side
    29,450.78x = 685,973,628.75
  5. Step 5: Solve for x
    x = 685,973,628.75/29,450.78
  6. Step 6: Final answer
    x = 23,292.21

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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.