Home / 36,810.15-55,239.44-20,181.87

Finding the Fourth Proportional to 36,810.15, 55,239.44 and 20,181.87

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Solution

The fourth proportional to 36,810.15, 55,239.44 and 20,181.87 is: 30,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.15 : 55,239.44 = 20,181.87 : x
  2. Step 2: Convert to fraction form
    36,810.15/55,239.44 = 20,181.87/x
  3. Step 3: Cross multiply
    36,810.15x = 55,239.44 × 20,181.87
  4. Step 4: Simplify right side
    36,810.15x = 1,114,835,096.04
  5. Step 5: Solve for x
    x = 1,114,835,096.04/36,810.15
  6. Step 6: Final answer
    x = 30,286.08

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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.