Home / 20,402.38-30,599.98-5,607.73

Finding the Fourth Proportional to 20,402.38, 30,599.98 and 5,607.73

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Solution

The fourth proportional to 20,402.38, 30,599.98 and 5,607.73 is: 8,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402.38 : 30,599.98 = 5,607.73 : x
  2. Step 2: Convert to fraction form
    20,402.38/30,599.98 = 5,607.73/x
  3. Step 3: Cross multiply
    20,402.38x = 30,599.98 × 5,607.73
  4. Step 4: Simplify right side
    20,402.38x = 171,596,450.08
  5. Step 5: Solve for x
    x = 171,596,450.08/20,402.38
  6. Step 6: Final answer
    x = 8,410.61

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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.