Home / 36,828.32-55,266.68-20,200

Finding the Fourth Proportional to 36,828.32, 55,266.68 and 20,200

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Solution

The fourth proportional to 36,828.32, 55,266.68 and 20,200 is: 30,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,828.32 : 55,266.68 = 20,200 : x
  2. Step 2: Convert to fraction form
    36,828.32/55,266.68 = 20,200/x
  3. Step 3: Cross multiply
    36,828.32x = 55,266.68 × 20,200
  4. Step 4: Simplify right side
    36,828.32x = 1,116,386,986.50
  5. Step 5: Solve for x
    x = 1,116,386,986.50/36,828.32
  6. Step 6: Final answer
    x = 30,313.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.