Home / 29,022.10-43,459.34-19,131.39

Finding the Fourth Proportional to 29,022.10, 43,459.34 and 19,131.39

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Solution

The fourth proportional to 29,022.10, 43,459.34 and 19,131.39 is: 28,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,022.10 : 43,459.34 = 19,131.39 : x
  2. Step 2: Convert to fraction form
    29,022.10/43,459.34 = 19,131.39/x
  3. Step 3: Cross multiply
    29,022.10x = 43,459.34 × 19,131.39
  4. Step 4: Simplify right side
    29,022.10x = 831,437,487.03
  5. Step 5: Solve for x
    x = 831,437,487.03/29,022.10
  6. Step 6: Final answer
    x = 28,648.43

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1.5x scale

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.