Home / 36,856.89-50,862.33-20,940.12

Finding the Fourth Proportional to 36,856.89, 50,862.33 and 20,940.12

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Solution

The fourth proportional to 36,856.89, 50,862.33 and 20,940.12 is: 28,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,856.89 : 50,862.33 = 20,940.12 : x
  2. Step 2: Convert to fraction form
    36,856.89/50,862.33 = 20,940.12/x
  3. Step 3: Cross multiply
    36,856.89x = 50,862.33 × 20,940.12
  4. Step 4: Simplify right side
    36,856.89x = 1,065,063,293.68
  5. Step 5: Solve for x
    x = 1,065,063,293.68/36,856.89
  6. Step 6: Final answer
    x = 28,897.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.