Home / 45,600.48-68,400.09-14,435.73

Finding the Fourth Proportional to 45,600.48, 68,400.09 and 14,435.73

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Solution

The fourth proportional to 45,600.48, 68,400.09 and 14,435.73 is: 21,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,600.48 : 68,400.09 = 14,435.73 : x
  2. Step 2: Convert to fraction form
    45,600.48/68,400.09 = 14,435.73/x
  3. Step 3: Cross multiply
    45,600.48x = 68,400.09 × 14,435.73
  4. Step 4: Simplify right side
    45,600.48x = 987,405,231.22
  5. Step 5: Solve for x
    x = 987,405,231.22/45,600.48
  6. Step 6: Final answer
    x = 21,653.40

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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.