Home / 23,172.98-34,773.60-21,290.94

Finding the Fourth Proportional to 23,172.98, 34,773.60 and 21,290.94

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Solution

The fourth proportional to 23,172.98, 34,773.60 and 21,290.94 is: 31,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.98 : 34,773.60 = 21,290.94 : x
  2. Step 2: Convert to fraction form
    23,172.98/34,773.60 = 21,290.94/x
  3. Step 3: Cross multiply
    23,172.98x = 34,773.60 × 21,290.94
  4. Step 4: Simplify right side
    23,172.98x = 740,362,631.18
  5. Step 5: Solve for x
    x = 740,362,631.18/23,172.98
  6. Step 6: Final answer
    x = 31,949.40

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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.