Home / 47,489.50-71,207.92-19,429.25

Finding the Fourth Proportional to 47,489.50, 71,207.92 and 19,429.25

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Solution

The fourth proportional to 47,489.50, 71,207.92 and 19,429.25 is: 29,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,489.50 : 71,207.92 = 19,429.25 : x
  2. Step 2: Convert to fraction form
    47,489.50/71,207.92 = 19,429.25/x
  3. Step 3: Cross multiply
    47,489.50x = 71,207.92 × 19,429.25
  4. Step 4: Simplify right side
    47,489.50x = 1,383,516,075.05
  5. Step 5: Solve for x
    x = 1,383,516,075.05/47,489.50
  6. Step 6: Final answer
    x = 29,133.10

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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.