Home / 31,221.12-46,824.71-9,029.55

Finding the Fourth Proportional to 31,221.12, 46,824.71 and 9,029.55

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Solution

The fourth proportional to 31,221.12, 46,824.71 and 9,029.55 is: 13,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.12 : 46,824.71 = 9,029.55 : x
  2. Step 2: Convert to fraction form
    31,221.12/46,824.71 = 9,029.55/x
  3. Step 3: Cross multiply
    31,221.12x = 46,824.71 × 9,029.55
  4. Step 4: Simplify right side
    31,221.12x = 422,806,015.03
  5. Step 5: Solve for x
    x = 422,806,015.03/31,221.12
  6. Step 6: Final answer
    x = 13,542.31

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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.