Home / 30,268.13-41,767.95-16,838.89

Finding the Fourth Proportional to 30,268.13, 41,767.95 and 16,838.89

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Solution

The fourth proportional to 30,268.13, 41,767.95 and 16,838.89 is: 23,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.13 : 41,767.95 = 16,838.89 : x
  2. Step 2: Convert to fraction form
    30,268.13/41,767.95 = 16,838.89/x
  3. Step 3: Cross multiply
    30,268.13x = 41,767.95 × 16,838.89
  4. Step 4: Simplify right side
    30,268.13x = 703,325,874.30
  5. Step 5: Solve for x
    x = 703,325,874.30/30,268.13
  6. Step 6: Final answer
    x = 23,236.52

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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.