Home / 30,558.33-45,827.91-11,837.07

Finding the Fourth Proportional to 30,558.33, 45,827.91 and 11,837.07

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Solution

The fourth proportional to 30,558.33, 45,827.91 and 11,837.07 is: 17,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.33 : 45,827.91 = 11,837.07 : x
  2. Step 2: Convert to fraction form
    30,558.33/45,827.91 = 11,837.07/x
  3. Step 3: Cross multiply
    30,558.33x = 45,827.91 × 11,837.07
  4. Step 4: Simplify right side
    30,558.33x = 542,468,178.62
  5. Step 5: Solve for x
    x = 542,468,178.62/30,558.33
  6. Step 6: Final answer
    x = 17,751.89

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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.