Home / 29,176.56-43,781.81-12,308.49

Finding the Fourth Proportional to 29,176.56, 43,781.81 and 12,308.49

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Solution

The fourth proportional to 29,176.56, 43,781.81 and 12,308.49 is: 18,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,176.56 : 43,781.81 = 12,308.49 : x
  2. Step 2: Convert to fraction form
    29,176.56/43,781.81 = 12,308.49/x
  3. Step 3: Cross multiply
    29,176.56x = 43,781.81 × 12,308.49
  4. Step 4: Simplify right side
    29,176.56x = 538,887,909.02
  5. Step 5: Solve for x
    x = 538,887,909.02/29,176.56
  6. Step 6: Final answer
    x = 18,469.89

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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.