Home / 31,299.75-46,949.58-7,928.01

Finding the Fourth Proportional to 31,299.75, 46,949.58 and 7,928.01

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Solution

The fourth proportional to 31,299.75, 46,949.58 and 7,928.01 is: 11,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.75 : 46,949.58 = 7,928.01 : x
  2. Step 2: Convert to fraction form
    31,299.75/46,949.58 = 7,928.01/x
  3. Step 3: Cross multiply
    31,299.75x = 46,949.58 × 7,928.01
  4. Step 4: Simplify right side
    31,299.75x = 372,216,739.74
  5. Step 5: Solve for x
    x = 372,216,739.74/31,299.75
  6. Step 6: Final answer
    x = 11,892.00

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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.