Home / 40,813.96-61,226.80-12,736.54

Finding the Fourth Proportional to 40,813.96, 61,226.80 and 12,736.54

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Solution

The fourth proportional to 40,813.96, 61,226.80 and 12,736.54 is: 19,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.96 : 61,226.80 = 12,736.54 : x
  2. Step 2: Convert to fraction form
    40,813.96/61,226.80 = 12,736.54/x
  3. Step 3: Cross multiply
    40,813.96x = 61,226.80 × 12,736.54
  4. Step 4: Simplify right side
    40,813.96x = 779,817,587.27
  5. Step 5: Solve for x
    x = 779,817,587.27/40,813.96
  6. Step 6: Final answer
    x = 19,106.64

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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.