Home / 30,291.30-41,801.13-16,861.77

Finding the Fourth Proportional to 30,291.30, 41,801.13 and 16,861.77

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Solution

The fourth proportional to 30,291.30, 41,801.13 and 16,861.77 is: 23,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.30 : 41,801.13 = 16,861.77 : x
  2. Step 2: Convert to fraction form
    30,291.30/41,801.13 = 16,861.77/x
  3. Step 3: Cross multiply
    30,291.30x = 41,801.13 × 16,861.77
  4. Step 4: Simplify right side
    30,291.30x = 704,841,039.80
  5. Step 5: Solve for x
    x = 704,841,039.80/30,291.30
  6. Step 6: Final answer
    x = 23,268.76

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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.