Home / 20,081.04-30,121.62-6,230.04

Finding the Fourth Proportional to 20,081.04, 30,121.62 and 6,230.04

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Solution

The fourth proportional to 20,081.04, 30,121.62 and 6,230.04 is: 9,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,081.04 : 30,121.62 = 6,230.04 : x
  2. Step 2: Convert to fraction form
    20,081.04/30,121.62 = 6,230.04/x
  3. Step 3: Cross multiply
    20,081.04x = 30,121.62 × 6,230.04
  4. Step 4: Simplify right side
    20,081.04x = 187,658,897.46
  5. Step 5: Solve for x
    x = 187,658,897.46/20,081.04
  6. Step 6: Final answer
    x = 9,345.08

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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.