Home / 30,218.08-41,700.96-16,791.52

Finding the Fourth Proportional to 30,218.08, 41,700.96 and 16,791.52

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Solution

The fourth proportional to 30,218.08, 41,700.96 and 16,791.52 is: 23,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.08 : 41,700.96 = 16,791.52 : x
  2. Step 2: Convert to fraction form
    30,218.08/41,700.96 = 16,791.52/x
  3. Step 3: Cross multiply
    30,218.08x = 41,700.96 × 16,791.52
  4. Step 4: Simplify right side
    30,218.08x = 700,222,503.86
  5. Step 5: Solve for x
    x = 700,222,503.86/30,218.08
  6. Step 6: Final answer
    x = 23,172.30

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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.