Home / 31,039.55-46,559.08-20,556.48

Finding the Fourth Proportional to 31,039.55, 46,559.08 and 20,556.48

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Solution

The fourth proportional to 31,039.55, 46,559.08 and 20,556.48 is: 30,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,039.55 : 46,559.08 = 20,556.48 : x
  2. Step 2: Convert to fraction form
    31,039.55/46,559.08 = 20,556.48/x
  3. Step 3: Cross multiply
    31,039.55x = 46,559.08 × 20,556.48
  4. Step 4: Simplify right side
    31,039.55x = 957,090,796.84
  5. Step 5: Solve for x
    x = 957,090,796.84/31,039.55
  6. Step 6: Final answer
    x = 30,834.56

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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.