Home / 49,935.24-74,858.88-20,377.92

Finding the Fourth Proportional to 49,935.24, 74,858.88 and 20,377.92

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Solution

The fourth proportional to 49,935.24, 74,858.88 and 20,377.92 is: 30,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,935.24 : 74,858.88 = 20,377.92 : x
  2. Step 2: Convert to fraction form
    49,935.24/74,858.88 = 20,377.92/x
  3. Step 3: Cross multiply
    49,935.24x = 74,858.88 × 20,377.92
  4. Step 4: Simplify right side
    49,935.24x = 1,525,468,267.93
  5. Step 5: Solve for x
    x = 1,525,468,267.93/49,935.24
  6. Step 6: Final answer
    x = 30,548.93

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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.