Home / 30,290.30-41,799.90-16,861.26

Finding the Fourth Proportional to 30,290.30, 41,799.90 and 16,861.26

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Solution

The fourth proportional to 30,290.30, 41,799.90 and 16,861.26 is: 23,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.30 : 41,799.90 = 16,861.26 : x
  2. Step 2: Convert to fraction form
    30,290.30/41,799.90 = 16,861.26/x
  3. Step 3: Cross multiply
    30,290.30x = 41,799.90 × 16,861.26
  4. Step 4: Simplify right side
    30,290.30x = 704,798,981.87
  5. Step 5: Solve for x
    x = 704,798,981.87/30,290.30
  6. Step 6: Final answer
    x = 23,268.14

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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.