Home / 39,579.24-54,619.52-22,812.24

Finding the Fourth Proportional to 39,579.24, 54,619.52 and 22,812.24

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Solution

The fourth proportional to 39,579.24, 54,619.52 and 22,812.24 is: 31,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,579.24 : 54,619.52 = 22,812.24 : x
  2. Step 2: Convert to fraction form
    39,579.24/54,619.52 = 22,812.24/x
  3. Step 3: Cross multiply
    39,579.24x = 54,619.52 × 22,812.24
  4. Step 4: Simplify right side
    39,579.24x = 1,245,993,598.92
  5. Step 5: Solve for x
    x = 1,245,993,598.92/39,579.24
  6. Step 6: Final answer
    x = 31,480.99

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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.