Home / 30,338.28-41,868.26-16,909.63

Finding the Fourth Proportional to 30,338.28, 41,868.26 and 16,909.63

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Solution

The fourth proportional to 30,338.28, 41,868.26 and 16,909.63 is: 23,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.28 : 41,868.26 = 16,909.63 : x
  2. Step 2: Convert to fraction form
    30,338.28/41,868.26 = 16,909.63/x
  3. Step 3: Cross multiply
    30,338.28x = 41,868.26 × 16,909.63
  4. Step 4: Simplify right side
    30,338.28x = 707,976,785.34
  5. Step 5: Solve for x
    x = 707,976,785.34/30,338.28
  6. Step 6: Final answer
    x = 23,336.09

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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.