Home / 30,290.41-41,800.05-16,861.35

Finding the Fourth Proportional to 30,290.41, 41,800.05 and 16,861.35

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Solution

The fourth proportional to 30,290.41, 41,800.05 and 16,861.35 is: 23,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.41 : 41,800.05 = 16,861.35 : x
  2. Step 2: Convert to fraction form
    30,290.41/41,800.05 = 16,861.35/x
  3. Step 3: Cross multiply
    30,290.41x = 41,800.05 × 16,861.35
  4. Step 4: Simplify right side
    30,290.41x = 704,805,273.07
  5. Step 5: Solve for x
    x = 704,805,273.07/30,290.41
  6. Step 6: Final answer
    x = 23,268.26

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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.