Home / 39,955.44-55,142.04-22,054.32

Finding the Fourth Proportional to 39,955.44, 55,142.04 and 22,054.32

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Solution

The fourth proportional to 39,955.44, 55,142.04 and 22,054.32 is: 30,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.44 : 55,142.04 = 22,054.32 : x
  2. Step 2: Convert to fraction form
    39,955.44/55,142.04 = 22,054.32/x
  3. Step 3: Cross multiply
    39,955.44x = 55,142.04 × 22,054.32
  4. Step 4: Simplify right side
    39,955.44x = 1,216,120,195.61
  5. Step 5: Solve for x
    x = 1,216,120,195.61/39,955.44
  6. Step 6: Final answer
    x = 30,436.91

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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.