Home / 47,866.60-71,832.30-21,557.80

Finding the Fourth Proportional to 47,866.60, 71,832.30 and 21,557.80

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Solution

The fourth proportional to 47,866.60, 71,832.30 and 21,557.80 is: 32,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,866.60 : 71,832.30 = 21,557.80 : x
  2. Step 2: Convert to fraction form
    47,866.60/71,832.30 = 21,557.80/x
  3. Step 3: Cross multiply
    47,866.60x = 71,832.30 × 21,557.80
  4. Step 4: Simplify right side
    47,866.60x = 1,548,546,356.94
  5. Step 5: Solve for x
    x = 1,548,546,356.94/47,866.60
  6. Step 6: Final answer
    x = 32,351.29

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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.