Home / 45,444.60-68,183.88-20,477.16

Finding the Fourth Proportional to 45,444.60, 68,183.88 and 20,477.16

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Solution

The fourth proportional to 45,444.60, 68,183.88 and 20,477.16 is: 30,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,444.60 : 68,183.88 = 20,477.16 : x
  2. Step 2: Convert to fraction form
    45,444.60/68,183.88 = 20,477.16/x
  3. Step 3: Cross multiply
    45,444.60x = 68,183.88 × 20,477.16
  4. Step 4: Simplify right side
    45,444.60x = 1,396,212,220.18
  5. Step 5: Solve for x
    x = 1,396,212,220.18/45,444.60
  6. Step 6: Final answer
    x = 30,723.39

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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.