Home / 30,338.68-41,865.24-16,909.33

Finding the Fourth Proportional to 30,338.68, 41,865.24 and 16,909.33

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Solution

The fourth proportional to 30,338.68, 41,865.24 and 16,909.33 is: 23,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.68 : 41,865.24 = 16,909.33 : x
  2. Step 2: Convert to fraction form
    30,338.68/41,865.24 = 16,909.33/x
  3. Step 3: Cross multiply
    30,338.68x = 41,865.24 × 16,909.33
  4. Step 4: Simplify right side
    30,338.68x = 707,913,158.69
  5. Step 5: Solve for x
    x = 707,913,158.69/30,338.68
  6. Step 6: Final answer
    x = 23,333.68

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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.