Home / 36,313.08-50,113.26-20,400.36

Finding the Fourth Proportional to 36,313.08, 50,113.26 and 20,400.36

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Solution

The fourth proportional to 36,313.08, 50,113.26 and 20,400.36 is: 28,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.08 : 50,113.26 = 20,400.36 : x
  2. Step 2: Convert to fraction form
    36,313.08/50,113.26 = 20,400.36/x
  3. Step 3: Cross multiply
    36,313.08x = 50,113.26 × 20,400.36
  4. Step 4: Simplify right side
    36,313.08x = 1,022,328,544.77
  5. Step 5: Solve for x
    x = 1,022,328,544.77/36,313.08
  6. Step 6: Final answer
    x = 28,153.18

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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.