Home / 30,290.37-41,800.13-16,861.53

Finding the Fourth Proportional to 30,290.37, 41,800.13 and 16,861.53

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Solution

The fourth proportional to 30,290.37, 41,800.13 and 16,861.53 is: 23,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.37 : 41,800.13 = 16,861.53 : x
  2. Step 2: Convert to fraction form
    30,290.37/41,800.13 = 16,861.53/x
  3. Step 3: Cross multiply
    30,290.37x = 41,800.13 × 16,861.53
  4. Step 4: Simplify right side
    30,290.37x = 704,813,937.00
  5. Step 5: Solve for x
    x = 704,813,937.00/30,290.37
  6. Step 6: Final answer
    x = 23,268.59

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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.