Home / 20,444.48-30,601.06-13,768.68

Finding the Fourth Proportional to 20,444.48, 30,601.06 and 13,768.68

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Solution

The fourth proportional to 20,444.48, 30,601.06 and 13,768.68 is: 20,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.48 : 30,601.06 = 13,768.68 : x
  2. Step 2: Convert to fraction form
    20,444.48/30,601.06 = 13,768.68/x
  3. Step 3: Cross multiply
    20,444.48x = 30,601.06 × 13,768.68
  4. Step 4: Simplify right side
    20,444.48x = 421,336,202.80
  5. Step 5: Solve for x
    x = 421,336,202.80/20,444.48
  6. Step 6: Final answer
    x = 20,608.80

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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.