Home / 29,033.56-40,028.72-18,806.40

Finding the Fourth Proportional to 29,033.56, 40,028.72 and 18,806.40

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Solution

The fourth proportional to 29,033.56, 40,028.72 and 18,806.40 is: 25,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,033.56 : 40,028.72 = 18,806.40 : x
  2. Step 2: Convert to fraction form
    29,033.56/40,028.72 = 18,806.40/x
  3. Step 3: Cross multiply
    29,033.56x = 40,028.72 × 18,806.40
  4. Step 4: Simplify right side
    29,033.56x = 752,796,119.81
  5. Step 5: Solve for x
    x = 752,796,119.81/29,033.56
  6. Step 6: Final answer
    x = 25,928.48

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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.