Home / 39,919.36-55,087.95-22,016.02

Finding the Fourth Proportional to 39,919.36, 55,087.95 and 22,016.02

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Solution

The fourth proportional to 39,919.36, 55,087.95 and 22,016.02 is: 30,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.36 : 55,087.95 = 22,016.02 : x
  2. Step 2: Convert to fraction form
    39,919.36/55,087.95 = 22,016.02/x
  3. Step 3: Cross multiply
    39,919.36x = 55,087.95 × 22,016.02
  4. Step 4: Simplify right side
    39,919.36x = 1,212,817,408.96
  5. Step 5: Solve for x
    x = 1,212,817,408.96/39,919.36
  6. Step 6: Final answer
    x = 30,381.68

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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.