Home / 31,107.24-46,670.07-12,376.60

Finding the Fourth Proportional to 31,107.24, 46,670.07 and 12,376.60

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Solution

The fourth proportional to 31,107.24, 46,670.07 and 12,376.60 is: 18,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.24 : 46,670.07 = 12,376.60 : x
  2. Step 2: Convert to fraction form
    31,107.24/46,670.07 = 12,376.60/x
  3. Step 3: Cross multiply
    31,107.24x = 46,670.07 × 12,376.60
  4. Step 4: Simplify right side
    31,107.24x = 577,616,718.10
  5. Step 5: Solve for x
    x = 577,616,718.10/31,107.24
  6. Step 6: Final answer
    x = 18,568.56

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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.