Home / 35,661.48-49,211.19-20,556.84

Finding the Fourth Proportional to 35,661.48, 49,211.19 and 20,556.84

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Solution

The fourth proportional to 35,661.48, 49,211.19 and 20,556.84 is: 28,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.48 : 49,211.19 = 20,556.84 : x
  2. Step 2: Convert to fraction form
    35,661.48/49,211.19 = 20,556.84/x
  3. Step 3: Cross multiply
    35,661.48x = 49,211.19 × 20,556.84
  4. Step 4: Simplify right side
    35,661.48x = 1,011,626,559.04
  5. Step 5: Solve for x
    x = 1,011,626,559.04/35,661.48
  6. Step 6: Final answer
    x = 28,367.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.