Home / 36,159.40-54,166.20-20,558.80

Finding the Fourth Proportional to 36,159.40, 54,166.20 and 20,558.80

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Solution

The fourth proportional to 36,159.40, 54,166.20 and 20,558.80 is: 30,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,159.40 : 54,166.20 = 20,558.80 : x
  2. Step 2: Convert to fraction form
    36,159.40/54,166.20 = 20,558.80/x
  3. Step 3: Cross multiply
    36,159.40x = 54,166.20 × 20,558.80
  4. Step 4: Simplify right side
    36,159.40x = 1,113,592,072.56
  5. Step 5: Solve for x
    x = 1,113,592,072.56/36,159.40
  6. Step 6: Final answer
    x = 30,796.75

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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.