Home / 31,268.40-46,909.44-10,491.36

Finding the Fourth Proportional to 31,268.40, 46,909.44 and 10,491.36

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Solution

The fourth proportional to 31,268.40, 46,909.44 and 10,491.36 is: 15,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.40 : 46,909.44 = 10,491.36 : x
  2. Step 2: Convert to fraction form
    31,268.40/46,909.44 = 10,491.36/x
  3. Step 3: Cross multiply
    31,268.40x = 46,909.44 × 10,491.36
  4. Step 4: Simplify right side
    31,268.40x = 492,143,822.44
  5. Step 5: Solve for x
    x = 492,143,822.44/31,268.40
  6. Step 6: Final answer
    x = 15,739.33

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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.