Home / 30,135.22-45,198.98-7,950.26

Finding the Fourth Proportional to 30,135.22, 45,198.98 and 7,950.26

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Solution

The fourth proportional to 30,135.22, 45,198.98 and 7,950.26 is: 11,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.22 : 45,198.98 = 7,950.26 : x
  2. Step 2: Convert to fraction form
    30,135.22/45,198.98 = 7,950.26/x
  3. Step 3: Cross multiply
    30,135.22x = 45,198.98 × 7,950.26
  4. Step 4: Simplify right side
    30,135.22x = 359,343,642.73
  5. Step 5: Solve for x
    x = 359,343,642.73/30,135.22
  6. Step 6: Final answer
    x = 11,924.37

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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.