Home / 30,950.26-46,419.48-8,758.30

Finding the Fourth Proportional to 30,950.26, 46,419.48 and 8,758.30

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Solution

The fourth proportional to 30,950.26, 46,419.48 and 8,758.30 is: 13,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,950.26 : 46,419.48 = 8,758.30 : x
  2. Step 2: Convert to fraction form
    30,950.26/46,419.48 = 8,758.30/x
  3. Step 3: Cross multiply
    30,950.26x = 46,419.48 × 8,758.30
  4. Step 4: Simplify right side
    30,950.26x = 406,555,731.68
  5. Step 5: Solve for x
    x = 406,555,731.68/30,950.26
  6. Step 6: Final answer
    x = 13,135.78

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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.