Home / 49,498.31-74,251.11-14,438.90

Finding the Fourth Proportional to 49,498.31, 74,251.11 and 14,438.90

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Solution

The fourth proportional to 49,498.31, 74,251.11 and 14,438.90 is: 21,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,498.31 : 74,251.11 = 14,438.90 : x
  2. Step 2: Convert to fraction form
    49,498.31/74,251.11 = 14,438.90/x
  3. Step 3: Cross multiply
    49,498.31x = 74,251.11 × 14,438.90
  4. Step 4: Simplify right side
    49,498.31x = 1,072,104,352.18
  5. Step 5: Solve for x
    x = 1,072,104,352.18/49,498.31
  6. Step 6: Final answer
    x = 21,659.41

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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.