Home / 47,421.02-71,076.80-17,819.94

Finding the Fourth Proportional to 47,421.02, 71,076.80 and 17,819.94

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Solution

The fourth proportional to 47,421.02, 71,076.80 and 17,819.94 is: 26,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.02 : 71,076.80 = 17,819.94 : x
  2. Step 2: Convert to fraction form
    47,421.02/71,076.80 = 17,819.94/x
  3. Step 3: Cross multiply
    47,421.02x = 71,076.80 × 17,819.94
  4. Step 4: Simplify right side
    47,421.02x = 1,266,584,311.39
  5. Step 5: Solve for x
    x = 1,266,584,311.39/47,421.02
  6. Step 6: Final answer
    x = 26,709.34

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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.