Home / 47,731.09-71,591.02-12,673.45

Finding the Fourth Proportional to 47,731.09, 71,591.02 and 12,673.45

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Solution

The fourth proportional to 47,731.09, 71,591.02 and 12,673.45 is: 19,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.09 : 71,591.02 = 12,673.45 : x
  2. Step 2: Convert to fraction form
    47,731.09/71,591.02 = 12,673.45/x
  3. Step 3: Cross multiply
    47,731.09x = 71,591.02 × 12,673.45
  4. Step 4: Simplify right side
    47,731.09x = 907,305,212.42
  5. Step 5: Solve for x
    x = 907,305,212.42/47,731.09
  6. Step 6: Final answer
    x = 19,008.68

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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.