Home / 39,414.77-54,390.15-22,416.60

Finding the Fourth Proportional to 39,414.77, 54,390.15 and 22,416.60

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Solution

The fourth proportional to 39,414.77, 54,390.15 and 22,416.60 is: 30,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,414.77 : 54,390.15 = 22,416.60 : x
  2. Step 2: Convert to fraction form
    39,414.77/54,390.15 = 22,416.60/x
  3. Step 3: Cross multiply
    39,414.77x = 54,390.15 × 22,416.60
  4. Step 4: Simplify right side
    39,414.77x = 1,219,242,236.49
  5. Step 5: Solve for x
    x = 1,219,242,236.49/39,414.77
  6. Step 6: Final answer
    x = 30,933.64

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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.