Home / 36,031.72-53,999.78-19,161.22

Finding the Fourth Proportional to 36,031.72, 53,999.78 and 19,161.22

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Solution

The fourth proportional to 36,031.72, 53,999.78 and 19,161.22 is: 28,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.72 : 53,999.78 = 19,161.22 : x
  2. Step 2: Convert to fraction form
    36,031.72/53,999.78 = 19,161.22/x
  3. Step 3: Cross multiply
    36,031.72x = 53,999.78 × 19,161.22
  4. Step 4: Simplify right side
    36,031.72x = 1,034,701,664.53
  5. Step 5: Solve for x
    x = 1,034,701,664.53/36,031.72
  6. Step 6: Final answer
    x = 28,716.41

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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.