Home / 40,168.57-55,431.67-22,263.19

Finding the Fourth Proportional to 40,168.57, 55,431.67 and 22,263.19

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Solution

The fourth proportional to 40,168.57, 55,431.67 and 22,263.19 is: 30,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168.57 : 55,431.67 = 22,263.19 : x
  2. Step 2: Convert to fraction form
    40,168.57/55,431.67 = 22,263.19/x
  3. Step 3: Cross multiply
    40,168.57x = 55,431.67 × 22,263.19
  4. Step 4: Simplify right side
    40,168.57x = 1,234,085,884.15
  5. Step 5: Solve for x
    x = 1,234,085,884.15/40,168.57
  6. Step 6: Final answer
    x = 30,722.67

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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.