Home / 30,328.57-41,852.86-16,899.54

Finding the Fourth Proportional to 30,328.57, 41,852.86 and 16,899.54

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Solution

The fourth proportional to 30,328.57, 41,852.86 and 16,899.54 is: 23,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.57 : 41,852.86 = 16,899.54 : x
  2. Step 2: Convert to fraction form
    30,328.57/41,852.86 = 16,899.54/x
  3. Step 3: Cross multiply
    30,328.57x = 41,852.86 × 16,899.54
  4. Step 4: Simplify right side
    30,328.57x = 707,294,081.68
  5. Step 5: Solve for x
    x = 707,294,081.68/30,328.57
  6. Step 6: Final answer
    x = 23,321.05

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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.