Home / 30,201.38-41,678.45-16,773.87

Finding the Fourth Proportional to 30,201.38, 41,678.45 and 16,773.87

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Solution

The fourth proportional to 30,201.38, 41,678.45 and 16,773.87 is: 23,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.38 : 41,678.45 = 16,773.87 : x
  2. Step 2: Convert to fraction form
    30,201.38/41,678.45 = 16,773.87/x
  3. Step 3: Cross multiply
    30,201.38x = 41,678.45 × 16,773.87
  4. Step 4: Simplify right side
    30,201.38x = 699,108,818.23
  5. Step 5: Solve for x
    x = 699,108,818.23/30,201.38
  6. Step 6: Final answer
    x = 23,148.24

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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.