Home / 44,321.96-66,481.32-13,156.40

Finding the Fourth Proportional to 44,321.96, 66,481.32 and 13,156.40

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Solution

The fourth proportional to 44,321.96, 66,481.32 and 13,156.40 is: 19,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,321.96 : 66,481.32 = 13,156.40 : x
  2. Step 2: Convert to fraction form
    44,321.96/66,481.32 = 13,156.40/x
  3. Step 3: Cross multiply
    44,321.96x = 66,481.32 × 13,156.40
  4. Step 4: Simplify right side
    44,321.96x = 874,654,838.45
  5. Step 5: Solve for x
    x = 874,654,838.45/44,321.96
  6. Step 6: Final answer
    x = 19,734.12

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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.