Home / 31,221.64-46,850.94-11,513.92

Finding the Fourth Proportional to 31,221.64, 46,850.94 and 11,513.92

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Solution

The fourth proportional to 31,221.64, 46,850.94 and 11,513.92 is: 17,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.64 : 46,850.94 = 11,513.92 : x
  2. Step 2: Convert to fraction form
    31,221.64/46,850.94 = 11,513.92/x
  3. Step 3: Cross multiply
    31,221.64x = 46,850.94 × 11,513.92
  4. Step 4: Simplify right side
    31,221.64x = 539,437,975.08
  5. Step 5: Solve for x
    x = 539,437,975.08/31,221.64
  6. Step 6: Final answer
    x = 17,277.70

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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.