Home / 39,926.64-55,096.40-22,021.68

Finding the Fourth Proportional to 39,926.64, 55,096.40 and 22,021.68

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Solution

The fourth proportional to 39,926.64, 55,096.40 and 22,021.68 is: 30,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,926.64 : 55,096.40 = 22,021.68 : x
  2. Step 2: Convert to fraction form
    39,926.64/55,096.40 = 22,021.68/x
  3. Step 3: Cross multiply
    39,926.64x = 55,096.40 × 22,021.68
  4. Step 4: Simplify right side
    39,926.64x = 1,213,315,289.95
  5. Step 5: Solve for x
    x = 1,213,315,289.95/39,926.64
  6. Step 6: Final answer
    x = 30,388.61

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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.