Home / 29,021.09-43,531.62-19,158.05

Finding the Fourth Proportional to 29,021.09, 43,531.62 and 19,158.05

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Solution

The fourth proportional to 29,021.09, 43,531.62 and 19,158.05 is: 28,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,021.09 : 43,531.62 = 19,158.05 : x
  2. Step 2: Convert to fraction form
    29,021.09/43,531.62 = 19,158.05/x
  3. Step 3: Cross multiply
    29,021.09x = 43,531.62 × 19,158.05
  4. Step 4: Simplify right side
    29,021.09x = 833,980,952.54
  5. Step 5: Solve for x
    x = 833,980,952.54/29,021.09
  6. Step 6: Final answer
    x = 28,737.07

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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.