Home / 30,136.67-45,198.82-11,410.26

Finding the Fourth Proportional to 30,136.67, 45,198.82 and 11,410.26

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Solution

The fourth proportional to 30,136.67, 45,198.82 and 11,410.26 is: 17,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.67 : 45,198.82 = 11,410.26 : x
  2. Step 2: Convert to fraction form
    30,136.67/45,198.82 = 11,410.26/x
  3. Step 3: Cross multiply
    30,136.67x = 45,198.82 × 11,410.26
  4. Step 4: Simplify right side
    30,136.67x = 515,730,287.89
  5. Step 5: Solve for x
    x = 515,730,287.89/30,136.67
  6. Step 6: Final answer
    x = 17,113.05

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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.