Home / 51,205.44-76,818.54-21,623.16

Finding the Fourth Proportional to 51,205.44, 76,818.54 and 21,623.16

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Solution

The fourth proportional to 51,205.44, 76,818.54 and 21,623.16 is: 32,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.44 : 76,818.54 = 21,623.16 : x
  2. Step 2: Convert to fraction form
    51,205.44/76,818.54 = 21,623.16/x
  3. Step 3: Cross multiply
    51,205.44x = 76,818.54 × 21,623.16
  4. Step 4: Simplify right side
    51,205.44x = 1,661,059,581.39
  5. Step 5: Solve for x
    x = 1,661,059,581.39/51,205.44
  6. Step 6: Final answer
    x = 32,439.12

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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.