Home / 47,910.76-71,866.14-21,623.02

Finding the Fourth Proportional to 47,910.76, 71,866.14 and 21,623.02

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Solution

The fourth proportional to 47,910.76, 71,866.14 and 21,623.02 is: 32,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.76 : 71,866.14 = 21,623.02 : x
  2. Step 2: Convert to fraction form
    47,910.76/71,866.14 = 21,623.02/x
  3. Step 3: Cross multiply
    47,910.76x = 71,866.14 × 21,623.02
  4. Step 4: Simplify right side
    47,910.76x = 1,553,962,721.79
  5. Step 5: Solve for x
    x = 1,553,962,721.79/47,910.76
  6. Step 6: Final answer
    x = 32,434.53

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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.