Home / 30,891.87-46,284.91-16,861.74

Finding the Fourth Proportional to 30,891.87, 46,284.91 and 16,861.74

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Solution

The fourth proportional to 30,891.87, 46,284.91 and 16,861.74 is: 25,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.87 : 46,284.91 = 16,861.74 : x
  2. Step 2: Convert to fraction form
    30,891.87/46,284.91 = 16,861.74/x
  3. Step 3: Cross multiply
    30,891.87x = 46,284.91 × 16,861.74
  4. Step 4: Simplify right side
    30,891.87x = 780,444,191.90
  5. Step 5: Solve for x
    x = 780,444,191.90/30,891.87
  6. Step 6: Final answer
    x = 25,263.74

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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.