Home / 36,530.36-50,411.86-20,618.20

Finding the Fourth Proportional to 36,530.36, 50,411.86 and 20,618.20

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Solution

The fourth proportional to 36,530.36, 50,411.86 and 20,618.20 is: 28,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.36 : 50,411.86 = 20,618.20 : x
  2. Step 2: Convert to fraction form
    36,530.36/50,411.86 = 20,618.20/x
  3. Step 3: Cross multiply
    36,530.36x = 50,411.86 × 20,618.20
  4. Step 4: Simplify right side
    36,530.36x = 1,039,401,811.85
  5. Step 5: Solve for x
    x = 1,039,401,811.85/36,530.36
  6. Step 6: Final answer
    x = 28,453.10

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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.