Home / 50,805.95-76,196.61-21,207.74

Finding the Fourth Proportional to 50,805.95, 76,196.61 and 21,207.74

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Solution

The fourth proportional to 50,805.95, 76,196.61 and 21,207.74 is: 31,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,805.95 : 76,196.61 = 21,207.74 : x
  2. Step 2: Convert to fraction form
    50,805.95/76,196.61 = 21,207.74/x
  3. Step 3: Cross multiply
    50,805.95x = 76,196.61 × 21,207.74
  4. Step 4: Simplify right side
    50,805.95x = 1,615,957,512.78
  5. Step 5: Solve for x
    x = 1,615,957,512.78/50,805.95
  6. Step 6: Final answer
    x = 31,806.47

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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.