Home / 36,504.47-54,756.72-12,830.60

Finding the Fourth Proportional to 36,504.47, 54,756.72 and 12,830.60

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Solution

The fourth proportional to 36,504.47, 54,756.72 and 12,830.60 is: 19,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,504.47 : 54,756.72 = 12,830.60 : x
  2. Step 2: Convert to fraction form
    36,504.47/54,756.72 = 12,830.60/x
  3. Step 3: Cross multiply
    36,504.47x = 54,756.72 × 12,830.60
  4. Step 4: Simplify right side
    36,504.47x = 702,561,507.48
  5. Step 5: Solve for x
    x = 702,561,507.48/36,504.47
  6. Step 6: Final answer
    x = 19,245.90

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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.