Home / 29,040.48-43,503.60-19,149.84

Finding the Fourth Proportional to 29,040.48, 43,503.60 and 19,149.84

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Solution

The fourth proportional to 29,040.48, 43,503.60 and 19,149.84 is: 28,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.48 : 43,503.60 = 19,149.84 : x
  2. Step 2: Convert to fraction form
    29,040.48/43,503.60 = 19,149.84/x
  3. Step 3: Cross multiply
    29,040.48x = 43,503.60 × 19,149.84
  4. Step 4: Simplify right side
    29,040.48x = 833,086,979.42
  5. Step 5: Solve for x
    x = 833,086,979.42/29,040.48
  6. Step 6: Final answer
    x = 28,687.09

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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.