Home / 36,044.24-49,741.80-20,128.70

Finding the Fourth Proportional to 36,044.24, 49,741.80 and 20,128.70

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Solution

The fourth proportional to 36,044.24, 49,741.80 and 20,128.70 is: 27,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,044.24 : 49,741.80 = 20,128.70 : x
  2. Step 2: Convert to fraction form
    36,044.24/49,741.80 = 20,128.70/x
  3. Step 3: Cross multiply
    36,044.24x = 49,741.80 × 20,128.70
  4. Step 4: Simplify right side
    36,044.24x = 1,001,237,818.53
  5. Step 5: Solve for x
    x = 1,001,237,818.53/36,044.24
  6. Step 6: Final answer
    x = 27,778.03

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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.