Home / 30,161.67-45,246.33-11,448.24

Finding the Fourth Proportional to 30,161.67, 45,246.33 and 11,448.24

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Solution

The fourth proportional to 30,161.67, 45,246.33 and 11,448.24 is: 17,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.67 : 45,246.33 = 11,448.24 : x
  2. Step 2: Convert to fraction form
    30,161.67/45,246.33 = 11,448.24/x
  3. Step 3: Cross multiply
    30,161.67x = 45,246.33 × 11,448.24
  4. Step 4: Simplify right side
    30,161.67x = 517,990,844.96
  5. Step 5: Solve for x
    x = 517,990,844.96/30,161.67
  6. Step 6: Final answer
    x = 17,173.81

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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.