Home / 31,240.26-46,879.83-13,724.82

Finding the Fourth Proportional to 31,240.26, 46,879.83 and 13,724.82

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Solution

The fourth proportional to 31,240.26, 46,879.83 and 13,724.82 is: 20,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,240.26 : 46,879.83 = 13,724.82 : x
  2. Step 2: Convert to fraction form
    31,240.26/46,879.83 = 13,724.82/x
  3. Step 3: Cross multiply
    31,240.26x = 46,879.83 × 13,724.82
  4. Step 4: Simplify right side
    31,240.26x = 643,417,228.38
  5. Step 5: Solve for x
    x = 643,417,228.38/31,240.26
  6. Step 6: Final answer
    x = 20,595.77

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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.