Home / 30,891.62-46,284.53-16,861.49

Finding the Fourth Proportional to 30,891.62, 46,284.53 and 16,861.49

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Solution

The fourth proportional to 30,891.62, 46,284.53 and 16,861.49 is: 25,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.62 : 46,284.53 = 16,861.49 : x
  2. Step 2: Convert to fraction form
    30,891.62/46,284.53 = 16,861.49/x
  3. Step 3: Cross multiply
    30,891.62x = 46,284.53 × 16,861.49
  4. Step 4: Simplify right side
    30,891.62x = 780,426,297.61
  5. Step 5: Solve for x
    x = 780,426,297.61/30,891.62
  6. Step 6: Final answer
    x = 25,263.37

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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.