Home / 31,067.60-46,601.40-15,515.60

Finding the Fourth Proportional to 31,067.60, 46,601.40 and 15,515.60

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Solution

The fourth proportional to 31,067.60, 46,601.40 and 15,515.60 is: 23,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,067.60 : 46,601.40 = 15,515.60 : x
  2. Step 2: Convert to fraction form
    31,067.60/46,601.40 = 15,515.60/x
  3. Step 3: Cross multiply
    31,067.60x = 46,601.40 × 15,515.60
  4. Step 4: Simplify right side
    31,067.60x = 723,048,681.84
  5. Step 5: Solve for x
    x = 723,048,681.84/31,067.60
  6. Step 6: Final answer
    x = 23,273.40

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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.