Home / 31,047.88-46,571.36-7,674.32

Finding the Fourth Proportional to 31,047.88, 46,571.36 and 7,674.32

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Solution

The fourth proportional to 31,047.88, 46,571.36 and 7,674.32 is: 11,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.88 : 46,571.36 = 7,674.32 : x
  2. Step 2: Convert to fraction form
    31,047.88/46,571.36 = 7,674.32/x
  3. Step 3: Cross multiply
    31,047.88x = 46,571.36 × 7,674.32
  4. Step 4: Simplify right side
    31,047.88x = 357,403,519.48
  5. Step 5: Solve for x
    x = 357,403,519.48/31,047.88
  6. Step 6: Final answer
    x = 11,511.37

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1.5x scale

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.