Home / 29,987.10-41,380.40-16,558.02

Finding the Fourth Proportional to 29,987.10, 41,380.40 and 16,558.02

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Solution

The fourth proportional to 29,987.10, 41,380.40 and 16,558.02 is: 22,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.10 : 41,380.40 = 16,558.02 : x
  2. Step 2: Convert to fraction form
    29,987.10/41,380.40 = 16,558.02/x
  3. Step 3: Cross multiply
    29,987.10x = 41,380.40 × 16,558.02
  4. Step 4: Simplify right side
    29,987.10x = 685,177,490.81
  5. Step 5: Solve for x
    x = 685,177,490.81/29,987.10
  6. Step 6: Final answer
    x = 22,849.07

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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.