Home / 53,942.96-74,450.28-39,836.56

Finding the Fourth Proportional to 53,942.96, 74,450.28 and 39,836.56

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Solution

The fourth proportional to 53,942.96, 74,450.28 and 39,836.56 is: 54,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,942.96 : 74,450.28 = 39,836.56 : x
  2. Step 2: Convert to fraction form
    53,942.96/74,450.28 = 39,836.56/x
  3. Step 3: Cross multiply
    53,942.96x = 74,450.28 × 39,836.56
  4. Step 4: Simplify right side
    53,942.96x = 2,965,843,046.24
  5. Step 5: Solve for x
    x = 2,965,843,046.24/53,942.96
  6. Step 6: Final answer
    x = 54,981.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.