Home / 30,311.13-41,830.66-16,882.39

Finding the Fourth Proportional to 30,311.13, 41,830.66 and 16,882.39

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Solution

The fourth proportional to 30,311.13, 41,830.66 and 16,882.39 is: 23,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.13 : 41,830.66 = 16,882.39 : x
  2. Step 2: Convert to fraction form
    30,311.13/41,830.66 = 16,882.39/x
  3. Step 3: Cross multiply
    30,311.13x = 41,830.66 × 16,882.39
  4. Step 4: Simplify right side
    30,311.13x = 706,201,369.29
  5. Step 5: Solve for x
    x = 706,201,369.29/30,311.13
  6. Step 6: Final answer
    x = 23,298.42

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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.