Home / 30,329.04-41,853.96-16,899.54

Finding the Fourth Proportional to 30,329.04, 41,853.96 and 16,899.54

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Solution

The fourth proportional to 30,329.04, 41,853.96 and 16,899.54 is: 23,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.04 : 41,853.96 = 16,899.54 : x
  2. Step 2: Convert to fraction form
    30,329.04/41,853.96 = 16,899.54/x
  3. Step 3: Cross multiply
    30,329.04x = 41,853.96 × 16,899.54
  4. Step 4: Simplify right side
    30,329.04x = 707,312,671.18
  5. Step 5: Solve for x
    x = 707,312,671.18/30,329.04
  6. Step 6: Final answer
    x = 23,321.30

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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.