Home / 35,889.53-49,529.18-20,782.85

Finding the Fourth Proportional to 35,889.53, 49,529.18 and 20,782.85

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Solution

The fourth proportional to 35,889.53, 49,529.18 and 20,782.85 is: 28,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,889.53 : 49,529.18 = 20,782.85 : x
  2. Step 2: Convert to fraction form
    35,889.53/49,529.18 = 20,782.85/x
  3. Step 3: Cross multiply
    35,889.53x = 49,529.18 × 20,782.85
  4. Step 4: Simplify right side
    35,889.53x = 1,029,357,414.65
  5. Step 5: Solve for x
    x = 1,029,357,414.65/35,889.53
  6. Step 6: Final answer
    x = 28,681.27

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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.