Home / 30,310.76-41,830.14-16,882.01

Finding the Fourth Proportional to 30,310.76, 41,830.14 and 16,882.01

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Solution

The fourth proportional to 30,310.76, 41,830.14 and 16,882.01 is: 23,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.76 : 41,830.14 = 16,882.01 : x
  2. Step 2: Convert to fraction form
    30,310.76/41,830.14 = 16,882.01/x
  3. Step 3: Cross multiply
    30,310.76x = 41,830.14 × 16,882.01
  4. Step 4: Simplify right side
    30,310.76x = 706,176,946.36
  5. Step 5: Solve for x
    x = 706,176,946.36/30,310.76
  6. Step 6: Final answer
    x = 23,297.90

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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.