Home / 49,758.36-74,462.24-31,047.21

Finding the Fourth Proportional to 49,758.36, 74,462.24 and 31,047.21

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Solution

The fourth proportional to 49,758.36, 74,462.24 and 31,047.21 is: 46,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,758.36 : 74,462.24 = 31,047.21 : x
  2. Step 2: Convert to fraction form
    49,758.36/74,462.24 = 31,047.21/x
  3. Step 3: Cross multiply
    49,758.36x = 74,462.24 × 31,047.21
  4. Step 4: Simplify right side
    49,758.36x = 2,311,844,879.97
  5. Step 5: Solve for x
    x = 2,311,844,879.97/49,758.36
  6. Step 6: Final answer
    x = 46,461.44

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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.