Home / 27,830.12-41,710.01-12,019.32

Finding the Fourth Proportional to 27,830.12, 41,710.01 and 12,019.32

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Solution

The fourth proportional to 27,830.12, 41,710.01 and 12,019.32 is: 18,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.12 : 41,710.01 = 12,019.32 : x
  2. Step 2: Convert to fraction form
    27,830.12/41,710.01 = 12,019.32/x
  3. Step 3: Cross multiply
    27,830.12x = 41,710.01 × 12,019.32
  4. Step 4: Simplify right side
    27,830.12x = 501,325,897.30
  5. Step 5: Solve for x
    x = 501,325,897.30/27,830.12
  6. Step 6: Final answer
    x = 18,013.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.