Home / 31,048.26-46,583.32-13,515.80

Finding the Fourth Proportional to 31,048.26, 46,583.32 and 13,515.80

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Solution

The fourth proportional to 31,048.26, 46,583.32 and 13,515.80 is: 20,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.26 : 46,583.32 = 13,515.80 : x
  2. Step 2: Convert to fraction form
    31,048.26/46,583.32 = 13,515.80/x
  3. Step 3: Cross multiply
    31,048.26x = 46,583.32 × 13,515.80
  4. Step 4: Simplify right side
    31,048.26x = 629,610,836.46
  5. Step 5: Solve for x
    x = 629,610,836.46/31,048.26
  6. Step 6: Final answer
    x = 20,278.46

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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.