Home / 38,768.40-57,842.42-34,558.56

Finding the Fourth Proportional to 38,768.40, 57,842.42 and 34,558.56

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Solution

The fourth proportional to 38,768.40, 57,842.42 and 34,558.56 is: 51,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,768.40 : 57,842.42 = 34,558.56 : x
  2. Step 2: Convert to fraction form
    38,768.40/57,842.42 = 34,558.56/x
  3. Step 3: Cross multiply
    38,768.40x = 57,842.42 × 34,558.56
  4. Step 4: Simplify right side
    38,768.40x = 1,998,950,569.32
  5. Step 5: Solve for x
    x = 1,998,950,569.32/38,768.40
  6. Step 6: Final answer
    x = 51,561.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.