Home / 36,434.45-54,651.69-28,126.60

Finding the Fourth Proportional to 36,434.45, 54,651.69 and 28,126.60

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Solution

The fourth proportional to 36,434.45, 54,651.69 and 28,126.60 is: 42,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434.45 : 54,651.69 = 28,126.60 : x
  2. Step 2: Convert to fraction form
    36,434.45/54,651.69 = 28,126.60/x
  3. Step 3: Cross multiply
    36,434.45x = 54,651.69 × 28,126.60
  4. Step 4: Simplify right side
    36,434.45x = 1,537,166,087.32
  5. Step 5: Solve for x
    x = 1,537,166,087.32/36,434.45
  6. Step 6: Final answer
    x = 42,189.90

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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.