Home / 47,495.76-71,217.30-19,435.50

Finding the Fourth Proportional to 47,495.76, 71,217.30 and 19,435.50

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Solution

The fourth proportional to 47,495.76, 71,217.30 and 19,435.50 is: 29,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,495.76 : 71,217.30 = 19,435.50 : x
  2. Step 2: Convert to fraction form
    47,495.76/71,217.30 = 19,435.50/x
  3. Step 3: Cross multiply
    47,495.76x = 71,217.30 × 19,435.50
  4. Step 4: Simplify right side
    47,495.76x = 1,384,143,834.15
  5. Step 5: Solve for x
    x = 1,384,143,834.15/47,495.76
  6. Step 6: Final answer
    x = 29,142.47

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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.