Home / 40,447.49-55,817.58-22,542.09

Finding the Fourth Proportional to 40,447.49, 55,817.58 and 22,542.09

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Solution

The fourth proportional to 40,447.49, 55,817.58 and 22,542.09 is: 31,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447.49 : 55,817.58 = 22,542.09 : x
  2. Step 2: Convert to fraction form
    40,447.49/55,817.58 = 22,542.09/x
  3. Step 3: Cross multiply
    40,447.49x = 55,817.58 × 22,542.09
  4. Step 4: Simplify right side
    40,447.49x = 1,258,244,911.94
  5. Step 5: Solve for x
    x = 1,258,244,911.94/40,447.49
  6. Step 6: Final answer
    x = 31,108.11

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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.