Home / 47,515.98-71,273.97-21,239.04

Finding the Fourth Proportional to 47,515.98, 71,273.97 and 21,239.04

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Solution

The fourth proportional to 47,515.98, 71,273.97 and 21,239.04 is: 31,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.98 : 71,273.97 = 21,239.04 : x
  2. Step 2: Convert to fraction form
    47,515.98/71,273.97 = 21,239.04/x
  3. Step 3: Cross multiply
    47,515.98x = 71,273.97 × 21,239.04
  4. Step 4: Simplify right side
    47,515.98x = 1,513,790,699.79
  5. Step 5: Solve for x
    x = 1,513,790,699.79/47,515.98
  6. Step 6: Final answer
    x = 31,858.56

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1.5x scale

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.