Home / 47,900.70-71,771.97-29,123.92

Finding the Fourth Proportional to 47,900.70, 71,771.97 and 29,123.92

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Solution

The fourth proportional to 47,900.70, 71,771.97 and 29,123.92 is: 43,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,900.70 : 71,771.97 = 29,123.92 : x
  2. Step 2: Convert to fraction form
    47,900.70/71,771.97 = 29,123.92/x
  3. Step 3: Cross multiply
    47,900.70x = 71,771.97 × 29,123.92
  4. Step 4: Simplify right side
    47,900.70x = 2,090,281,311.45
  5. Step 5: Solve for x
    x = 2,090,281,311.45/47,900.70
  6. Step 6: Final answer
    x = 43,637.80

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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.