Home / 30,216.96-45,308-11,727.36

Finding the Fourth Proportional to 30,216.96, 45,308 and 11,727.36

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Solution

The fourth proportional to 30,216.96, 45,308 and 11,727.36 is: 17,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.96 : 45,308 = 11,727.36 : x
  2. Step 2: Convert to fraction form
    30,216.96/45,308 = 11,727.36/x
  3. Step 3: Cross multiply
    30,216.96x = 45,308 × 11,727.36
  4. Step 4: Simplify right side
    30,216.96x = 531,343,226.88
  5. Step 5: Solve for x
    x = 531,343,226.88/30,216.96
  6. Step 6: Final answer
    x = 17,584.27

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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.