Home / 47,838.40-71,761.24-14,561.30

Finding the Fourth Proportional to 47,838.40, 71,761.24 and 14,561.30

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Solution

The fourth proportional to 47,838.40, 71,761.24 and 14,561.30 is: 21,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838.40 : 71,761.24 = 14,561.30 : x
  2. Step 2: Convert to fraction form
    47,838.40/71,761.24 = 14,561.30/x
  3. Step 3: Cross multiply
    47,838.40x = 71,761.24 × 14,561.30
  4. Step 4: Simplify right side
    47,838.40x = 1,044,936,944.01
  5. Step 5: Solve for x
    x = 1,044,936,944.01/47,838.40
  6. Step 6: Final answer
    x = 21,843.06

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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.