Home / 40,100.21-55,333.43-23,110.02

Finding the Fourth Proportional to 40,100.21, 55,333.43 and 23,110.02

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Solution

The fourth proportional to 40,100.21, 55,333.43 and 23,110.02 is: 31,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.21 : 55,333.43 = 23,110.02 : x
  2. Step 2: Convert to fraction form
    40,100.21/55,333.43 = 23,110.02/x
  3. Step 3: Cross multiply
    40,100.21x = 55,333.43 × 23,110.02
  4. Step 4: Simplify right side
    40,100.21x = 1,278,756,558.42
  5. Step 5: Solve for x
    x = 1,278,756,558.42/40,100.21
  6. Step 6: Final answer
    x = 31,889.03

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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.