Home / 34,619.36-51,897.96-12,427.60

Finding the Fourth Proportional to 34,619.36, 51,897.96 and 12,427.60

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Solution

The fourth proportional to 34,619.36, 51,897.96 and 12,427.60 is: 18,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,619.36 : 51,897.96 = 12,427.60 : x
  2. Step 2: Convert to fraction form
    34,619.36/51,897.96 = 12,427.60/x
  3. Step 3: Cross multiply
    34,619.36x = 51,897.96 × 12,427.60
  4. Step 4: Simplify right side
    34,619.36x = 644,967,087.70
  5. Step 5: Solve for x
    x = 644,967,087.70/34,619.36
  6. Step 6: Final answer
    x = 18,630.24

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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.