Home / 20,034.72-29,990.52-18,051.84

Finding the Fourth Proportional to 20,034.72, 29,990.52 and 18,051.84

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Solution

The fourth proportional to 20,034.72, 29,990.52 and 18,051.84 is: 27,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.72 : 29,990.52 = 18,051.84 : x
  2. Step 2: Convert to fraction form
    20,034.72/29,990.52 = 18,051.84/x
  3. Step 3: Cross multiply
    20,034.72x = 29,990.52 × 18,051.84
  4. Step 4: Simplify right side
    20,034.72x = 541,384,068.56
  5. Step 5: Solve for x
    x = 541,384,068.56/20,034.72
  6. Step 6: Final answer
    x = 27,022.29

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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.