Home / 45,739.30-68,606.89-19,074.31

Finding the Fourth Proportional to 45,739.30, 68,606.89 and 19,074.31

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Solution

The fourth proportional to 45,739.30, 68,606.89 and 19,074.31 is: 28,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,739.30 : 68,606.89 = 19,074.31 : x
  2. Step 2: Convert to fraction form
    45,739.30/68,606.89 = 19,074.31/x
  3. Step 3: Cross multiply
    45,739.30x = 68,606.89 × 19,074.31
  4. Step 4: Simplify right side
    45,739.30x = 1,308,629,088.00
  5. Step 5: Solve for x
    x = 1,308,629,088.00/45,739.30
  6. Step 6: Final answer
    x = 28,610.61

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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.