Home / 47,619.10-71,433.99-19,538.02

Finding the Fourth Proportional to 47,619.10, 71,433.99 and 19,538.02

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Solution

The fourth proportional to 47,619.10, 71,433.99 and 19,538.02 is: 29,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.10 : 71,433.99 = 19,538.02 : x
  2. Step 2: Convert to fraction form
    47,619.10/71,433.99 = 19,538.02/x
  3. Step 3: Cross multiply
    47,619.10x = 71,433.99 × 19,538.02
  4. Step 4: Simplify right side
    47,619.10x = 1,395,678,725.30
  5. Step 5: Solve for x
    x = 1,395,678,725.30/47,619.10
  6. Step 6: Final answer
    x = 29,309.22

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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.