Home / 47,884.74-71,836.11-14,607.78

Finding the Fourth Proportional to 47,884.74, 71,836.11 and 14,607.78

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Solution

The fourth proportional to 47,884.74, 71,836.11 and 14,607.78 is: 21,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,884.74 : 71,836.11 = 14,607.78 : x
  2. Step 2: Convert to fraction form
    47,884.74/71,836.11 = 14,607.78/x
  3. Step 3: Cross multiply
    47,884.74x = 71,836.11 × 14,607.78
  4. Step 4: Simplify right side
    47,884.74x = 1,049,366,090.94
  5. Step 5: Solve for x
    x = 1,049,366,090.94/47,884.74
  6. Step 6: Final answer
    x = 21,914.42

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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.