Home / 39,448.22-54,438.91-22,451.63

Finding the Fourth Proportional to 39,448.22, 54,438.91 and 22,451.63

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Solution

The fourth proportional to 39,448.22, 54,438.91 and 22,451.63 is: 30,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,448.22 : 54,438.91 = 22,451.63 : x
  2. Step 2: Convert to fraction form
    39,448.22/54,438.91 = 22,451.63/x
  3. Step 3: Cross multiply
    39,448.22x = 54,438.91 × 22,451.63
  4. Step 4: Simplify right side
    39,448.22x = 1,222,241,936.60
  5. Step 5: Solve for x
    x = 1,222,241,936.60/39,448.22
  6. Step 6: Final answer
    x = 30,983.45

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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.