Home / 36,089.87-49,804.08-20,174.31

Finding the Fourth Proportional to 36,089.87, 49,804.08 and 20,174.31

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Solution

The fourth proportional to 36,089.87, 49,804.08 and 20,174.31 is: 27,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089.87 : 49,804.08 = 20,174.31 : x
  2. Step 2: Convert to fraction form
    36,089.87/49,804.08 = 20,174.31/x
  3. Step 3: Cross multiply
    36,089.87x = 49,804.08 × 20,174.31
  4. Step 4: Simplify right side
    36,089.87x = 1,004,762,949.18
  5. Step 5: Solve for x
    x = 1,004,762,949.18/36,089.87
  6. Step 6: Final answer
    x = 27,840.58

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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.