Home / 47,489.58-71,214.90-21,176.34

Finding the Fourth Proportional to 47,489.58, 71,214.90 and 21,176.34

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Solution

The fourth proportional to 47,489.58, 71,214.90 and 21,176.34 is: 31,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,489.58 : 71,214.90 = 21,176.34 : x
  2. Step 2: Convert to fraction form
    47,489.58/71,214.90 = 21,176.34/x
  3. Step 3: Cross multiply
    47,489.58x = 71,214.90 × 21,176.34
  4. Step 4: Simplify right side
    47,489.58x = 1,508,070,935.47
  5. Step 5: Solve for x
    x = 1,508,070,935.47/47,489.58
  6. Step 6: Final answer
    x = 31,755.83

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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.