Home / 20,414.94-30,623.20-5,625.01

Finding the Fourth Proportional to 20,414.94, 30,623.20 and 5,625.01

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Solution

The fourth proportional to 20,414.94, 30,623.20 and 5,625.01 is: 8,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.94 : 30,623.20 = 5,625.01 : x
  2. Step 2: Convert to fraction form
    20,414.94/30,623.20 = 5,625.01/x
  3. Step 3: Cross multiply
    20,414.94x = 30,623.20 × 5,625.01
  4. Step 4: Simplify right side
    20,414.94x = 172,255,830.45
  5. Step 5: Solve for x
    x = 172,255,830.45/20,414.94
  6. Step 6: Final answer
    x = 8,437.74

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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.