Home / 30,166.02-45,270.92-21,222.54

Finding the Fourth Proportional to 30,166.02, 45,270.92 and 21,222.54

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Solution

The fourth proportional to 30,166.02, 45,270.92 and 21,222.54 is: 31,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.02 : 45,270.92 = 21,222.54 : x
  2. Step 2: Convert to fraction form
    30,166.02/45,270.92 = 21,222.54/x
  3. Step 3: Cross multiply
    30,166.02x = 45,270.92 × 21,222.54
  4. Step 4: Simplify right side
    30,166.02x = 960,763,910.54
  5. Step 5: Solve for x
    x = 960,763,910.54/30,166.02
  6. Step 6: Final answer
    x = 31,849.21

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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.