Home / 50,805.68-76,196.26-21,207.47

Finding the Fourth Proportional to 50,805.68, 76,196.26 and 21,207.47

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Solution

The fourth proportional to 50,805.68, 76,196.26 and 21,207.47 is: 31,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,805.68 : 76,196.26 = 21,207.47 : x
  2. Step 2: Convert to fraction form
    50,805.68/76,196.26 = 21,207.47/x
  3. Step 3: Cross multiply
    50,805.68x = 76,196.26 × 21,207.47
  4. Step 4: Simplify right side
    50,805.68x = 1,615,929,898.06
  5. Step 5: Solve for x
    x = 1,615,929,898.06/50,805.68
  6. Step 6: Final answer
    x = 31,806.09

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1.5x scale

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.