Home / 36,042.48-49,738.14-20,127.20

Finding the Fourth Proportional to 36,042.48, 49,738.14 and 20,127.20

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Solution

The fourth proportional to 36,042.48, 49,738.14 and 20,127.20 is: 27,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,042.48 : 49,738.14 = 20,127.20 : x
  2. Step 2: Convert to fraction form
    36,042.48/49,738.14 = 20,127.20/x
  3. Step 3: Cross multiply
    36,042.48x = 49,738.14 × 20,127.20
  4. Step 4: Simplify right side
    36,042.48x = 1,001,089,491.41
  5. Step 5: Solve for x
    x = 1,001,089,491.41/36,042.48
  6. Step 6: Final answer
    x = 27,775.27

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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.