Home / 36,047.03-49,743.21-20,131.13

Finding the Fourth Proportional to 36,047.03, 49,743.21 and 20,131.13

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Solution

The fourth proportional to 36,047.03, 49,743.21 and 20,131.13 is: 27,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047.03 : 49,743.21 = 20,131.13 : x
  2. Step 2: Convert to fraction form
    36,047.03/49,743.21 = 20,131.13/x
  3. Step 3: Cross multiply
    36,047.03x = 49,743.21 × 20,131.13
  4. Step 4: Simplify right side
    36,047.03x = 1,001,387,226.98
  5. Step 5: Solve for x
    x = 1,001,387,226.98/36,047.03
  6. Step 6: Final answer
    x = 27,780.02

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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.