Home / 39,362.45-54,317.47-22,137.39

Finding the Fourth Proportional to 39,362.45, 54,317.47 and 22,137.39

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Solution

The fourth proportional to 39,362.45, 54,317.47 and 22,137.39 is: 30,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,362.45 : 54,317.47 = 22,137.39 : x
  2. Step 2: Convert to fraction form
    39,362.45/54,317.47 = 22,137.39/x
  3. Step 3: Cross multiply
    39,362.45x = 54,317.47 × 22,137.39
  4. Step 4: Simplify right side
    39,362.45x = 1,202,446,961.86
  5. Step 5: Solve for x
    x = 1,202,446,961.86/39,362.45
  6. Step 6: Final answer
    x = 30,548.07

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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.