Home / 47,425.59-71,137.56-14,145.75

Finding the Fourth Proportional to 47,425.59, 71,137.56 and 14,145.75

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Solution

The fourth proportional to 47,425.59, 71,137.56 and 14,145.75 is: 21,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,425.59 : 71,137.56 = 14,145.75 : x
  2. Step 2: Convert to fraction form
    47,425.59/71,137.56 = 14,145.75/x
  3. Step 3: Cross multiply
    47,425.59x = 71,137.56 × 14,145.75
  4. Step 4: Simplify right side
    47,425.59x = 1,006,294,139.37
  5. Step 5: Solve for x
    x = 1,006,294,139.37/47,425.59
  6. Step 6: Final answer
    x = 21,218.38

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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.