Home / 20,069.54-30,087.87-7,582.47

Finding the Fourth Proportional to 20,069.54, 30,087.87 and 7,582.47

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Solution

The fourth proportional to 20,069.54, 30,087.87 and 7,582.47 is: 11,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.54 : 30,087.87 = 7,582.47 : x
  2. Step 2: Convert to fraction form
    20,069.54/30,087.87 = 7,582.47/x
  3. Step 3: Cross multiply
    20,069.54x = 30,087.87 × 7,582.47
  4. Step 4: Simplify right side
    20,069.54x = 228,140,371.64
  5. Step 5: Solve for x
    x = 228,140,371.64/20,069.54
  6. Step 6: Final answer
    x = 11,367.49

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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.