Home / 40,221.42-55,513.65-23,228.43

Finding the Fourth Proportional to 40,221.42, 55,513.65 and 23,228.43

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Solution

The fourth proportional to 40,221.42, 55,513.65 and 23,228.43 is: 32,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.42 : 55,513.65 = 23,228.43 : x
  2. Step 2: Convert to fraction form
    40,221.42/55,513.65 = 23,228.43/x
  3. Step 3: Cross multiply
    40,221.42x = 55,513.65 × 23,228.43
  4. Step 4: Simplify right side
    40,221.42x = 1,289,494,816.93
  5. Step 5: Solve for x
    x = 1,289,494,816.93/40,221.42
  6. Step 6: Final answer
    x = 32,059.90

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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.