Home / 30,626.66-45,952.41-20,760.32

Finding the Fourth Proportional to 30,626.66, 45,952.41 and 20,760.32

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Solution

The fourth proportional to 30,626.66, 45,952.41 and 20,760.32 is: 31,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.66 : 45,952.41 = 20,760.32 : x
  2. Step 2: Convert to fraction form
    30,626.66/45,952.41 = 20,760.32/x
  3. Step 3: Cross multiply
    30,626.66x = 45,952.41 × 20,760.32
  4. Step 4: Simplify right side
    30,626.66x = 953,986,736.37
  5. Step 5: Solve for x
    x = 953,986,736.37/30,626.66
  6. Step 6: Final answer
    x = 31,148.90

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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.