Home / 20,023.60-30,108.30-19,586.20

Finding the Fourth Proportional to 20,023.60, 30,108.30 and 19,586.20

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Solution

The fourth proportional to 20,023.60, 30,108.30 and 19,586.20 is: 29,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.60 : 30,108.30 = 19,586.20 : x
  2. Step 2: Convert to fraction form
    20,023.60/30,108.30 = 19,586.20/x
  3. Step 3: Cross multiply
    20,023.60x = 30,108.30 × 19,586.20
  4. Step 4: Simplify right side
    20,023.60x = 589,707,185.46
  5. Step 5: Solve for x
    x = 589,707,185.46/20,023.60
  6. Step 6: Final answer
    x = 29,450.61

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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.