Home / 47,999.50-71,991.95-18,431.26

Finding the Fourth Proportional to 47,999.50, 71,991.95 and 18,431.26

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Solution

The fourth proportional to 47,999.50, 71,991.95 and 18,431.26 is: 27,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.50 : 71,991.95 = 18,431.26 : x
  2. Step 2: Convert to fraction form
    47,999.50/71,991.95 = 18,431.26/x
  3. Step 3: Cross multiply
    47,999.50x = 71,991.95 × 18,431.26
  4. Step 4: Simplify right side
    47,999.50x = 1,326,902,348.36
  5. Step 5: Solve for x
    x = 1,326,902,348.36/47,999.50
  6. Step 6: Final answer
    x = 27,644.09

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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.