Home / 20,034.21-30,060.77-8,939.91

Finding the Fourth Proportional to 20,034.21, 30,060.77 and 8,939.91

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Solution

The fourth proportional to 20,034.21, 30,060.77 and 8,939.91 is: 13,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.21 : 30,060.77 = 8,939.91 : x
  2. Step 2: Convert to fraction form
    20,034.21/30,060.77 = 8,939.91/x
  3. Step 3: Cross multiply
    20,034.21x = 30,060.77 × 8,939.91
  4. Step 4: Simplify right side
    20,034.21x = 268,740,533.63
  5. Step 5: Solve for x
    x = 268,740,533.63/20,034.21
  6. Step 6: Final answer
    x = 13,414.08

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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.