Home / 30,556.20-45,834.30-25,635.45

Finding the Fourth Proportional to 30,556.20, 45,834.30 and 25,635.45

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Solution

The fourth proportional to 30,556.20, 45,834.30 and 25,635.45 is: 38,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556.20 : 45,834.30 = 25,635.45 : x
  2. Step 2: Convert to fraction form
    30,556.20/45,834.30 = 25,635.45/x
  3. Step 3: Cross multiply
    30,556.20x = 45,834.30 × 25,635.45
  4. Step 4: Simplify right side
    30,556.20x = 1,174,982,905.94
  5. Step 5: Solve for x
    x = 1,174,982,905.94/30,556.20
  6. Step 6: Final answer
    x = 38,453.18

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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.