Home / 20,417.75-30,623.83-5,624.54

Finding the Fourth Proportional to 20,417.75, 30,623.83 and 5,624.54

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Solution

The fourth proportional to 20,417.75, 30,623.83 and 5,624.54 is: 8,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417.75 : 30,623.83 = 5,624.54 : x
  2. Step 2: Convert to fraction form
    20,417.75/30,623.83 = 5,624.54/x
  3. Step 3: Cross multiply
    20,417.75x = 30,623.83 × 5,624.54
  4. Step 4: Simplify right side
    20,417.75x = 172,244,789.61
  5. Step 5: Solve for x
    x = 172,244,789.61/20,417.75
  6. Step 6: Final answer
    x = 8,436.03

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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.