Home / 20,112.20-30,119.04-14,174.48

Finding the Fourth Proportional to 20,112.20, 30,119.04 and 14,174.48

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Solution

The fourth proportional to 20,112.20, 30,119.04 and 14,174.48 is: 21,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.20 : 30,119.04 = 14,174.48 : x
  2. Step 2: Convert to fraction form
    20,112.20/30,119.04 = 14,174.48/x
  3. Step 3: Cross multiply
    20,112.20x = 30,119.04 × 14,174.48
  4. Step 4: Simplify right side
    20,112.20x = 426,921,730.10
  5. Step 5: Solve for x
    x = 426,921,730.10/20,112.20
  6. Step 6: Final answer
    x = 21,227.00

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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.