Home / 36,260.39-54,390.52-20,458.25

Finding the Fourth Proportional to 36,260.39, 54,390.52 and 20,458.25

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Solution

The fourth proportional to 36,260.39, 54,390.52 and 20,458.25 is: 30,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,260.39 : 54,390.52 = 20,458.25 : x
  2. Step 2: Convert to fraction form
    36,260.39/54,390.52 = 20,458.25/x
  3. Step 3: Cross multiply
    36,260.39x = 54,390.52 × 20,458.25
  4. Step 4: Simplify right side
    36,260.39x = 1,112,734,851.27
  5. Step 5: Solve for x
    x = 1,112,734,851.27/36,260.39
  6. Step 6: Final answer
    x = 30,687.34

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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.