Home / 47,495.90-71,217.56-19,435.68

Finding the Fourth Proportional to 47,495.90, 71,217.56 and 19,435.68

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Solution

The fourth proportional to 47,495.90, 71,217.56 and 19,435.68 is: 29,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,495.90 : 71,217.56 = 19,435.68 : x
  2. Step 2: Convert to fraction form
    47,495.90/71,217.56 = 19,435.68/x
  3. Step 3: Cross multiply
    47,495.90x = 71,217.56 × 19,435.68
  4. Step 4: Simplify right side
    47,495.90x = 1,384,161,755.13
  5. Step 5: Solve for x
    x = 1,384,161,755.13/47,495.90
  6. Step 6: Final answer
    x = 29,142.76

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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.