Home / 30,880.26-46,311.30-13,110.66

Finding the Fourth Proportional to 30,880.26, 46,311.30 and 13,110.66

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Solution

The fourth proportional to 30,880.26, 46,311.30 and 13,110.66 is: 19,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.26 : 46,311.30 = 13,110.66 : x
  2. Step 2: Convert to fraction form
    30,880.26/46,311.30 = 13,110.66/x
  3. Step 3: Cross multiply
    30,880.26x = 46,311.30 × 13,110.66
  4. Step 4: Simplify right side
    30,880.26x = 607,171,708.46
  5. Step 5: Solve for x
    x = 607,171,708.46/30,880.26
  6. Step 6: Final answer
    x = 19,662.13

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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.