Home / 47,839.03-71,774.75-21,181.34

Finding the Fourth Proportional to 47,839.03, 71,774.75 and 21,181.34

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Solution

The fourth proportional to 47,839.03, 71,774.75 and 21,181.34 is: 31,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,839.03 : 71,774.75 = 21,181.34 : x
  2. Step 2: Convert to fraction form
    47,839.03/71,774.75 = 21,181.34/x
  3. Step 3: Cross multiply
    47,839.03x = 71,774.75 × 21,181.34
  4. Step 4: Simplify right side
    47,839.03x = 1,520,285,746.27
  5. Step 5: Solve for x
    x = 1,520,285,746.27/47,839.03
  6. Step 6: Final answer
    x = 31,779.20

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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.