Home / 51,043.56-76,487.37-21,445.21

Finding the Fourth Proportional to 51,043.56, 76,487.37 and 21,445.21

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Solution

The fourth proportional to 51,043.56, 76,487.37 and 21,445.21 is: 32,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.56 : 76,487.37 = 21,445.21 : x
  2. Step 2: Convert to fraction form
    51,043.56/76,487.37 = 21,445.21/x
  3. Step 3: Cross multiply
    51,043.56x = 76,487.37 × 21,445.21
  4. Step 4: Simplify right side
    51,043.56x = 1,640,287,712.00
  5. Step 5: Solve for x
    x = 1,640,287,712.00/51,043.56
  6. Step 6: Final answer
    x = 32,135.06

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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.