Home / 55,639.87-83,464.94-18,200.16

Finding the Fourth Proportional to 55,639.87, 83,464.94 and 18,200.16

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Solution

The fourth proportional to 55,639.87, 83,464.94 and 18,200.16 is: 27,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,639.87 : 83,464.94 = 18,200.16 : x
  2. Step 2: Convert to fraction form
    55,639.87/83,464.94 = 18,200.16/x
  3. Step 3: Cross multiply
    55,639.87x = 83,464.94 × 18,200.16
  4. Step 4: Simplify right side
    55,639.87x = 1,519,075,262.39
  5. Step 5: Solve for x
    x = 1,519,075,262.39/55,639.87
  6. Step 6: Final answer
    x = 27,301.92

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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.