Home / 36,186.72-49,937.40-20,271.30

Finding the Fourth Proportional to 36,186.72, 49,937.40 and 20,271.30

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Solution

The fourth proportional to 36,186.72, 49,937.40 and 20,271.30 is: 27,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,186.72 : 49,937.40 = 20,271.30 : x
  2. Step 2: Convert to fraction form
    36,186.72/49,937.40 = 20,271.30/x
  3. Step 3: Cross multiply
    36,186.72x = 49,937.40 × 20,271.30
  4. Step 4: Simplify right side
    36,186.72x = 1,012,296,016.62
  5. Step 5: Solve for x
    x = 1,012,296,016.62/36,186.72
  6. Step 6: Final answer
    x = 27,974.24

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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.