Home / 36,325.36-50,129.16-20,415.28

Finding the Fourth Proportional to 36,325.36, 50,129.16 and 20,415.28

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Solution

The fourth proportional to 36,325.36, 50,129.16 and 20,415.28 is: 28,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,325.36 : 50,129.16 = 20,415.28 : x
  2. Step 2: Convert to fraction form
    36,325.36/50,129.16 = 20,415.28/x
  3. Step 3: Cross multiply
    36,325.36x = 50,129.16 × 20,415.28
  4. Step 4: Simplify right side
    36,325.36x = 1,023,400,837.56
  5. Step 5: Solve for x
    x = 1,023,400,837.56/36,325.36
  6. Step 6: Final answer
    x = 28,173.18

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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.