Home / 39,219.36-58,771.44-30,919.68

Finding the Fourth Proportional to 39,219.36, 58,771.44 and 30,919.68

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Solution

The fourth proportional to 39,219.36, 58,771.44 and 30,919.68 is: 46,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.36 : 58,771.44 = 30,919.68 : x
  2. Step 2: Convert to fraction form
    39,219.36/58,771.44 = 30,919.68/x
  3. Step 3: Cross multiply
    39,219.36x = 58,771.44 × 30,919.68
  4. Step 4: Simplify right side
    39,219.36x = 1,817,194,117.94
  5. Step 5: Solve for x
    x = 1,817,194,117.94/39,219.36
  6. Step 6: Final answer
    x = 46,334.11

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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.