Home / 29,058.08-43,603.93-12,189.57

Finding the Fourth Proportional to 29,058.08, 43,603.93 and 12,189.57

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Solution

The fourth proportional to 29,058.08, 43,603.93 and 12,189.57 is: 18,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,058.08 : 43,603.93 = 12,189.57 : x
  2. Step 2: Convert to fraction form
    29,058.08/43,603.93 = 12,189.57/x
  3. Step 3: Cross multiply
    29,058.08x = 43,603.93 × 12,189.57
  4. Step 4: Simplify right side
    29,058.08x = 531,513,363.01
  5. Step 5: Solve for x
    x = 531,513,363.01/29,058.08
  6. Step 6: Final answer
    x = 18,291.42

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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.