Home / 47,817.85-71,700.44-19,731.52

Finding the Fourth Proportional to 47,817.85, 71,700.44 and 19,731.52

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Solution

The fourth proportional to 47,817.85, 71,700.44 and 19,731.52 is: 29,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.85 : 71,700.44 = 19,731.52 : x
  2. Step 2: Convert to fraction form
    47,817.85/71,700.44 = 19,731.52/x
  3. Step 3: Cross multiply
    47,817.85x = 71,700.44 × 19,731.52
  4. Step 4: Simplify right side
    47,817.85x = 1,414,758,208.71
  5. Step 5: Solve for x
    x = 1,414,758,208.71/47,817.85
  6. Step 6: Final answer
    x = 29,586.41

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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.