Home / 31,263.36-46,880.82-13,485.60

Finding the Fourth Proportional to 31,263.36, 46,880.82 and 13,485.60

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Solution

The fourth proportional to 31,263.36, 46,880.82 and 13,485.60 is: 20,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.36 : 46,880.82 = 13,485.60 : x
  2. Step 2: Convert to fraction form
    31,263.36/46,880.82 = 13,485.60/x
  3. Step 3: Cross multiply
    31,263.36x = 46,880.82 × 13,485.60
  4. Step 4: Simplify right side
    31,263.36x = 632,215,986.19
  5. Step 5: Solve for x
    x = 632,215,986.19/31,263.36
  6. Step 6: Final answer
    x = 20,222.27

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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.