Home / 33,815.08-50,712.71-12,739.92

Finding the Fourth Proportional to 33,815.08, 50,712.71 and 12,739.92

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Solution

The fourth proportional to 33,815.08, 50,712.71 and 12,739.92 is: 19,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,815.08 : 50,712.71 = 12,739.92 : x
  2. Step 2: Convert to fraction form
    33,815.08/50,712.71 = 12,739.92/x
  3. Step 3: Cross multiply
    33,815.08x = 50,712.71 × 12,739.92
  4. Step 4: Simplify right side
    33,815.08x = 646,075,614.82
  5. Step 5: Solve for x
    x = 646,075,614.82/33,815.08
  6. Step 6: Final answer
    x = 19,106.14

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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.