Home / 20,372.58-30,556.44-5,582.79

Finding the Fourth Proportional to 20,372.58, 30,556.44 and 5,582.79

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Solution

The fourth proportional to 20,372.58, 30,556.44 and 5,582.79 is: 8,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372.58 : 30,556.44 = 5,582.79 : x
  2. Step 2: Convert to fraction form
    20,372.58/30,556.44 = 5,582.79/x
  3. Step 3: Cross multiply
    20,372.58x = 30,556.44 × 5,582.79
  4. Step 4: Simplify right side
    20,372.58x = 170,590,187.67
  5. Step 5: Solve for x
    x = 170,590,187.67/20,372.58
  6. Step 6: Final answer
    x = 8,373.52

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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.