Home / 34,431.39-51,679.49-16,913.79

Finding the Fourth Proportional to 34,431.39, 51,679.49 and 16,913.79

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Solution

The fourth proportional to 34,431.39, 51,679.49 and 16,913.79 is: 25,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.39 : 51,679.49 = 16,913.79 : x
  2. Step 2: Convert to fraction form
    34,431.39/51,679.49 = 16,913.79/x
  3. Step 3: Cross multiply
    34,431.39x = 51,679.49 × 16,913.79
  4. Step 4: Simplify right side
    34,431.39x = 874,095,956.60
  5. Step 5: Solve for x
    x = 874,095,956.60/34,431.39
  6. Step 6: Final answer
    x = 25,386.60

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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.