Home / 39,615.84-54,662.94-22,612.32

Finding the Fourth Proportional to 39,615.84, 54,662.94 and 22,612.32

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Solution

The fourth proportional to 39,615.84, 54,662.94 and 22,612.32 is: 31,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.84 : 54,662.94 = 22,612.32 : x
  2. Step 2: Convert to fraction form
    39,615.84/54,662.94 = 22,612.32/x
  3. Step 3: Cross multiply
    39,615.84x = 54,662.94 × 22,612.32
  4. Step 4: Simplify right side
    39,615.84x = 1,236,055,891.42
  5. Step 5: Solve for x
    x = 1,236,055,891.42/39,615.84
  6. Step 6: Final answer
    x = 31,201.05

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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.