Home / 41,120.87-61,678.13-11,537.51

Finding the Fourth Proportional to 41,120.87, 61,678.13 and 11,537.51

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Solution

The fourth proportional to 41,120.87, 61,678.13 and 11,537.51 is: 17,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,120.87 : 61,678.13 = 11,537.51 : x
  2. Step 2: Convert to fraction form
    41,120.87/61,678.13 = 11,537.51/x
  3. Step 3: Cross multiply
    41,120.87x = 61,678.13 × 11,537.51
  4. Step 4: Simplify right side
    41,120.87x = 711,611,675.58
  5. Step 5: Solve for x
    x = 711,611,675.58/41,120.87
  6. Step 6: Final answer
    x = 17,305.37

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1.5x scale

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.