Home / 46,503.40-69,712.54-20,198.68

Finding the Fourth Proportional to 46,503.40, 69,712.54 and 20,198.68

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Solution

The fourth proportional to 46,503.40, 69,712.54 and 20,198.68 is: 30,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,503.40 : 69,712.54 = 20,198.68 : x
  2. Step 2: Convert to fraction form
    46,503.40/69,712.54 = 20,198.68/x
  3. Step 3: Cross multiply
    46,503.40x = 69,712.54 × 20,198.68
  4. Step 4: Simplify right side
    46,503.40x = 1,408,101,287.45
  5. Step 5: Solve for x
    x = 1,408,101,287.45/46,503.40
  6. Step 6: Final answer
    x = 30,279.53

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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.