Home / 36,756.12-50,735-20,851.14

Finding the Fourth Proportional to 36,756.12, 50,735 and 20,851.14

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Solution

The fourth proportional to 36,756.12, 50,735 and 20,851.14 is: 28,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,756.12 : 50,735 = 20,851.14 : x
  2. Step 2: Convert to fraction form
    36,756.12/50,735 = 20,851.14/x
  3. Step 3: Cross multiply
    36,756.12x = 50,735 × 20,851.14
  4. Step 4: Simplify right side
    36,756.12x = 1,057,882,587.90
  5. Step 5: Solve for x
    x = 1,057,882,587.90/36,756.12
  6. Step 6: Final answer
    x = 28,781.13

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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.