Home / 20,501.04-30,763.50-8,020.44

Finding the Fourth Proportional to 20,501.04, 30,763.50 and 8,020.44

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Solution

The fourth proportional to 20,501.04, 30,763.50 and 8,020.44 is: 12,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.04 : 30,763.50 = 8,020.44 : x
  2. Step 2: Convert to fraction form
    20,501.04/30,763.50 = 8,020.44/x
  3. Step 3: Cross multiply
    20,501.04x = 30,763.50 × 8,020.44
  4. Step 4: Simplify right side
    20,501.04x = 246,736,805.94
  5. Step 5: Solve for x
    x = 246,736,805.94/20,501.04
  6. Step 6: Final answer
    x = 12,035.33

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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.