Home / 36,187.22-49,938.09-20,271.80

Finding the Fourth Proportional to 36,187.22, 49,938.09 and 20,271.80

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Solution

The fourth proportional to 36,187.22, 49,938.09 and 20,271.80 is: 27,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187.22 : 49,938.09 = 20,271.80 : x
  2. Step 2: Convert to fraction form
    36,187.22/49,938.09 = 20,271.80/x
  3. Step 3: Cross multiply
    36,187.22x = 49,938.09 × 20,271.80
  4. Step 4: Simplify right side
    36,187.22x = 1,012,334,972.86
  5. Step 5: Solve for x
    x = 1,012,334,972.86/36,187.22
  6. Step 6: Final answer
    x = 27,974.93

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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.