Home / 39,919.33-55,087.59-22,014.01

Finding the Fourth Proportional to 39,919.33, 55,087.59 and 22,014.01

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Solution

The fourth proportional to 39,919.33, 55,087.59 and 22,014.01 is: 30,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.33 : 55,087.59 = 22,014.01 : x
  2. Step 2: Convert to fraction form
    39,919.33/55,087.59 = 22,014.01/x
  3. Step 3: Cross multiply
    39,919.33x = 55,087.59 × 22,014.01
  4. Step 4: Simplify right side
    39,919.33x = 1,212,698,757.14
  5. Step 5: Solve for x
    x = 1,212,698,757.14/39,919.33
  6. Step 6: Final answer
    x = 30,378.74

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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.