Home / 39,922.56-55,090.80-22,922.88

Finding the Fourth Proportional to 39,922.56, 55,090.80 and 22,922.88

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Solution

The fourth proportional to 39,922.56, 55,090.80 and 22,922.88 is: 31,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922.56 : 55,090.80 = 22,922.88 : x
  2. Step 2: Convert to fraction form
    39,922.56/55,090.80 = 22,922.88/x
  3. Step 3: Cross multiply
    39,922.56x = 55,090.80 × 22,922.88
  4. Step 4: Simplify right side
    39,922.56x = 1,262,839,797.50
  5. Step 5: Solve for x
    x = 1,262,839,797.50/39,922.56
  6. Step 6: Final answer
    x = 31,632.23

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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.