Home / 36,044.16-49,740.84-20,128.62

Finding the Fourth Proportional to 36,044.16, 49,740.84 and 20,128.62

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Solution

The fourth proportional to 36,044.16, 49,740.84 and 20,128.62 is: 27,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,044.16 : 49,740.84 = 20,128.62 : x
  2. Step 2: Convert to fraction form
    36,044.16/49,740.84 = 20,128.62/x
  3. Step 3: Cross multiply
    36,044.16x = 49,740.84 × 20,128.62
  4. Step 4: Simplify right side
    36,044.16x = 1,001,214,466.84
  5. Step 5: Solve for x
    x = 1,001,214,466.84/36,044.16
  6. Step 6: Final answer
    x = 27,777.44

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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.