Home / 39,863.58-59,684.64-20,082.16

Finding the Fourth Proportional to 39,863.58, 59,684.64 and 20,082.16

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Solution

The fourth proportional to 39,863.58, 59,684.64 and 20,082.16 is: 30,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,863.58 : 59,684.64 = 20,082.16 : x
  2. Step 2: Convert to fraction form
    39,863.58/59,684.64 = 20,082.16/x
  3. Step 3: Cross multiply
    39,863.58x = 59,684.64 × 20,082.16
  4. Step 4: Simplify right side
    39,863.58x = 1,198,596,490.02
  5. Step 5: Solve for x
    x = 1,198,596,490.02/39,863.58
  6. Step 6: Final answer
    x = 30,067.46

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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.