Home / 36,405.36-50,232.69-20,486.43

Finding the Fourth Proportional to 36,405.36, 50,232.69 and 20,486.43

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Solution

The fourth proportional to 36,405.36, 50,232.69 and 20,486.43 is: 28,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,405.36 : 50,232.69 = 20,486.43 : x
  2. Step 2: Convert to fraction form
    36,405.36/50,232.69 = 20,486.43/x
  3. Step 3: Cross multiply
    36,405.36x = 50,232.69 × 20,486.43
  4. Step 4: Simplify right side
    36,405.36x = 1,029,088,487.40
  5. Step 5: Solve for x
    x = 1,029,088,487.40/36,405.36
  6. Step 6: Final answer
    x = 28,267.50

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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.