Home / 20,234.34-30,196.96-18,020.00

Finding the Fourth Proportional to 20,234.34, 30,196.96 and 18,020.00

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Solution

The fourth proportional to 20,234.34, 30,196.96 and 18,020.00 is: 26,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.34 : 30,196.96 = 18,020.00 : x
  2. Step 2: Convert to fraction form
    20,234.34/30,196.96 = 18,020.00/x
  3. Step 3: Cross multiply
    20,234.34x = 30,196.96 × 18,020.00
  4. Step 4: Simplify right side
    20,234.34x = 544,149,249.64
  5. Step 5: Solve for x
    x = 544,149,249.64/20,234.34
  6. Step 6: Final answer
    x = 26,892.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.