Home / 39,364.68-54,321.12-22,597.68

Finding the Fourth Proportional to 39,364.68, 54,321.12 and 22,597.68

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Solution

The fourth proportional to 39,364.68, 54,321.12 and 22,597.68 is: 31,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.68 : 54,321.12 = 22,597.68 : x
  2. Step 2: Convert to fraction form
    39,364.68/54,321.12 = 22,597.68/x
  3. Step 3: Cross multiply
    39,364.68x = 54,321.12 × 22,597.68
  4. Step 4: Simplify right side
    39,364.68x = 1,227,531,287.00
  5. Step 5: Solve for x
    x = 1,227,531,287.00/39,364.68
  6. Step 6: Final answer
    x = 31,183.57

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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.