Home / 36,820.49-55,237.61-20,171.34

Finding the Fourth Proportional to 36,820.49, 55,237.61 and 20,171.34

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Solution

The fourth proportional to 36,820.49, 55,237.61 and 20,171.34 is: 30,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.49 : 55,237.61 = 20,171.34 : x
  2. Step 2: Convert to fraction form
    36,820.49/55,237.61 = 20,171.34/x
  3. Step 3: Cross multiply
    36,820.49x = 55,237.61 × 20,171.34
  4. Step 4: Simplify right side
    36,820.49x = 1,114,216,662.53
  5. Step 5: Solve for x
    x = 1,114,216,662.53/36,820.49
  6. Step 6: Final answer
    x = 30,260.78

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1.5x scale

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.