Home / 36,323.45-50,126.16-20,407.76

Finding the Fourth Proportional to 36,323.45, 50,126.16 and 20,407.76

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Solution

The fourth proportional to 36,323.45, 50,126.16 and 20,407.76 is: 28,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,323.45 : 50,126.16 = 20,407.76 : x
  2. Step 2: Convert to fraction form
    36,323.45/50,126.16 = 20,407.76/x
  3. Step 3: Cross multiply
    36,323.45x = 50,126.16 × 20,407.76
  4. Step 4: Simplify right side
    36,323.45x = 1,022,962,392.37
  5. Step 5: Solve for x
    x = 1,022,962,392.37/36,323.45
  6. Step 6: Final answer
    x = 28,162.59

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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.