Home / 34,418.49-51,621.56-9,118.16

Finding the Fourth Proportional to 34,418.49, 51,621.56 and 9,118.16

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Solution

The fourth proportional to 34,418.49, 51,621.56 and 9,118.16 is: 13,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,418.49 : 51,621.56 = 9,118.16 : x
  2. Step 2: Convert to fraction form
    34,418.49/51,621.56 = 9,118.16/x
  3. Step 3: Cross multiply
    34,418.49x = 51,621.56 × 9,118.16
  4. Step 4: Simplify right side
    34,418.49x = 470,693,339.83
  5. Step 5: Solve for x
    x = 470,693,339.83/34,418.49
  6. Step 6: Final answer
    x = 13,675.60

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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.