Home / 30,319.46-41,841.59-16,890.95

Finding the Fourth Proportional to 30,319.46, 41,841.59 and 16,890.95

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Solution

The fourth proportional to 30,319.46, 41,841.59 and 16,890.95 is: 23,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319.46 : 41,841.59 = 16,890.95 : x
  2. Step 2: Convert to fraction form
    30,319.46/41,841.59 = 16,890.95/x
  3. Step 3: Cross multiply
    30,319.46x = 41,841.59 × 16,890.95
  4. Step 4: Simplify right side
    30,319.46x = 706,743,910.95
  5. Step 5: Solve for x
    x = 706,743,910.95/30,319.46
  6. Step 6: Final answer
    x = 23,309.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.