Home / 40,103.57-55,344.23-23,106.46

Finding the Fourth Proportional to 40,103.57, 55,344.23 and 23,106.46

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Solution

The fourth proportional to 40,103.57, 55,344.23 and 23,106.46 is: 31,887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.57 : 55,344.23 = 23,106.46 : x
  2. Step 2: Convert to fraction form
    40,103.57/55,344.23 = 23,106.46/x
  3. Step 3: Cross multiply
    40,103.57x = 55,344.23 × 23,106.46
  4. Step 4: Simplify right side
    40,103.57x = 1,278,809,236.73
  5. Step 5: Solve for x
    x = 1,278,809,236.73/40,103.57
  6. Step 6: Final answer
    x = 31,887.67

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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.