Home / 30,331.58-41,854.68-16,902.50

Finding the Fourth Proportional to 30,331.58, 41,854.68 and 16,902.50

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Solution

The fourth proportional to 30,331.58, 41,854.68 and 16,902.50 is: 23,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.58 : 41,854.68 = 16,902.50 : x
  2. Step 2: Convert to fraction form
    30,331.58/41,854.68 = 16,902.50/x
  3. Step 3: Cross multiply
    30,331.58x = 41,854.68 × 16,902.50
  4. Step 4: Simplify right side
    30,331.58x = 707,448,519.43
  5. Step 5: Solve for x
    x = 707,448,519.43/30,331.58
  6. Step 6: Final answer
    x = 23,323.83

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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.