Home / 29,987.11-41,381.70-16,558.03

Finding the Fourth Proportional to 29,987.11, 41,381.70 and 16,558.03

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Solution

The fourth proportional to 29,987.11, 41,381.70 and 16,558.03 is: 22,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.11 : 41,381.70 = 16,558.03 : x
  2. Step 2: Convert to fraction form
    29,987.11/41,381.70 = 16,558.03/x
  3. Step 3: Cross multiply
    29,987.11x = 41,381.70 × 16,558.03
  4. Step 4: Simplify right side
    29,987.11x = 685,199,430.05
  5. Step 5: Solve for x
    x = 685,199,430.05/29,987.11
  6. Step 6: Final answer
    x = 22,849.80

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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.