Home / 53,008.10-79,481.91-21,806.18

Finding the Fourth Proportional to 53,008.10, 79,481.91 and 21,806.18

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Solution

The fourth proportional to 53,008.10, 79,481.91 and 21,806.18 is: 32,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.10 : 79,481.91 = 21,806.18 : x
  2. Step 2: Convert to fraction form
    53,008.10/79,481.91 = 21,806.18/x
  3. Step 3: Cross multiply
    53,008.10x = 79,481.91 × 21,806.18
  4. Step 4: Simplify right side
    53,008.10x = 1,733,196,836.20
  5. Step 5: Solve for x
    x = 1,733,196,836.20/53,008.10
  6. Step 6: Final answer
    x = 32,696.83

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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.