Home / 30,350.25-45,525.79-11,631.24

Finding the Fourth Proportional to 30,350.25, 45,525.79 and 11,631.24

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Solution

The fourth proportional to 30,350.25, 45,525.79 and 11,631.24 is: 17,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.25 : 45,525.79 = 11,631.24 : x
  2. Step 2: Convert to fraction form
    30,350.25/45,525.79 = 11,631.24/x
  3. Step 3: Cross multiply
    30,350.25x = 45,525.79 × 11,631.24
  4. Step 4: Simplify right side
    30,350.25x = 529,521,389.68
  5. Step 5: Solve for x
    x = 529,521,389.68/30,350.25
  6. Step 6: Final answer
    x = 17,447.02

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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.