Home / 30,358.20-45,623.70-26,556.60

Finding the Fourth Proportional to 30,358.20, 45,623.70 and 26,556.60

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Solution

The fourth proportional to 30,358.20, 45,623.70 and 26,556.60 is: 39,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.20 : 45,623.70 = 26,556.60 : x
  2. Step 2: Convert to fraction form
    30,358.20/45,623.70 = 26,556.60/x
  3. Step 3: Cross multiply
    30,358.20x = 45,623.70 × 26,556.60
  4. Step 4: Simplify right side
    30,358.20x = 1,211,610,351.42
  5. Step 5: Solve for x
    x = 1,211,610,351.42/30,358.20
  6. Step 6: Final answer
    x = 39,910.48

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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.