Home / 34,021.54-50,988.30-18,209.80

Finding the Fourth Proportional to 34,021.54, 50,988.30 and 18,209.80

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Solution

The fourth proportional to 34,021.54, 50,988.30 and 18,209.80 is: 27,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,021.54 : 50,988.30 = 18,209.80 : x
  2. Step 2: Convert to fraction form
    34,021.54/50,988.30 = 18,209.80/x
  3. Step 3: Cross multiply
    34,021.54x = 50,988.30 × 18,209.80
  4. Step 4: Simplify right side
    34,021.54x = 928,486,745.34
  5. Step 5: Solve for x
    x = 928,486,745.34/34,021.54
  6. Step 6: Final answer
    x = 27,291.14

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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.