Home / 39,986.37-55,180.56-22,080.93

Finding the Fourth Proportional to 39,986.37, 55,180.56 and 22,080.93

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Solution

The fourth proportional to 39,986.37, 55,180.56 and 22,080.93 is: 30,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.37 : 55,180.56 = 22,080.93 : x
  2. Step 2: Convert to fraction form
    39,986.37/55,180.56 = 22,080.93/x
  3. Step 3: Cross multiply
    39,986.37x = 55,180.56 × 22,080.93
  4. Step 4: Simplify right side
    39,986.37x = 1,218,438,082.72
  5. Step 5: Solve for x
    x = 1,218,438,082.72/39,986.37
  6. Step 6: Final answer
    x = 30,471.34

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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.