Home / 40,276.44-55,580.34-22,371

Finding the Fourth Proportional to 40,276.44, 55,580.34 and 22,371

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Solution

The fourth proportional to 40,276.44, 55,580.34 and 22,371 is: 30,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.44 : 55,580.34 = 22,371 : x
  2. Step 2: Convert to fraction form
    40,276.44/55,580.34 = 22,371/x
  3. Step 3: Cross multiply
    40,276.44x = 55,580.34 × 22,371
  4. Step 4: Simplify right side
    40,276.44x = 1,243,387,786.14
  5. Step 5: Solve for x
    x = 1,243,387,786.14/40,276.44
  6. Step 6: Final answer
    x = 30,871.34

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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.