Home / 35,450.87-53,181.35-12,081.11

Finding the Fourth Proportional to 35,450.87, 53,181.35 and 12,081.11

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Solution

The fourth proportional to 35,450.87, 53,181.35 and 12,081.11 is: 18,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.87 : 53,181.35 = 12,081.11 : x
  2. Step 2: Convert to fraction form
    35,450.87/53,181.35 = 12,081.11/x
  3. Step 3: Cross multiply
    35,450.87x = 53,181.35 × 12,081.11
  4. Step 4: Simplify right side
    35,450.87x = 642,489,678.89
  5. Step 5: Solve for x
    x = 642,489,678.89/35,450.87
  6. Step 6: Final answer
    x = 18,123.38

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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.