Home / 35,668.44-49,221.32-20,561.16

Finding the Fourth Proportional to 35,668.44, 49,221.32 and 20,561.16

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Solution

The fourth proportional to 35,668.44, 49,221.32 and 20,561.16 is: 28,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,668.44 : 49,221.32 = 20,561.16 : x
  2. Step 2: Convert to fraction form
    35,668.44/49,221.32 = 20,561.16/x
  3. Step 3: Cross multiply
    35,668.44x = 49,221.32 × 20,561.16
  4. Step 4: Simplify right side
    35,668.44x = 1,012,047,435.93
  5. Step 5: Solve for x
    x = 1,012,047,435.93/35,668.44
  6. Step 6: Final answer
    x = 28,373.75

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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.