Home / 39,924.50-55,096.07-22,019.99

Finding the Fourth Proportional to 39,924.50, 55,096.07 and 22,019.99

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Solution

The fourth proportional to 39,924.50, 55,096.07 and 22,019.99 is: 30,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,924.50 : 55,096.07 = 22,019.99 : x
  2. Step 2: Convert to fraction form
    39,924.50/55,096.07 = 22,019.99/x
  3. Step 3: Cross multiply
    39,924.50x = 55,096.07 × 22,019.99
  4. Step 4: Simplify right side
    39,924.50x = 1,213,214,524.86
  5. Step 5: Solve for x
    x = 1,213,214,524.86/39,924.50
  6. Step 6: Final answer
    x = 30,387.72

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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.