Home / 55,651.44-83,468.28-20,583.12

Finding the Fourth Proportional to 55,651.44, 83,468.28 and 20,583.12

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Solution

The fourth proportional to 55,651.44, 83,468.28 and 20,583.12 is: 30,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.44 : 83,468.28 = 20,583.12 : x
  2. Step 2: Convert to fraction form
    55,651.44/83,468.28 = 20,583.12/x
  3. Step 3: Cross multiply
    55,651.44x = 83,468.28 × 20,583.12
  4. Step 4: Simplify right side
    55,651.44x = 1,718,037,623.43
  5. Step 5: Solve for x
    x = 1,718,037,623.43/55,651.44
  6. Step 6: Final answer
    x = 30,871.40

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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.