Home / 35,661.21-53,503.01-21,446.06

Finding the Fourth Proportional to 35,661.21, 53,503.01 and 21,446.06

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Solution

The fourth proportional to 35,661.21, 53,503.01 and 21,446.06 is: 32,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.21 : 53,503.01 = 21,446.06 : x
  2. Step 2: Convert to fraction form
    35,661.21/53,503.01 = 21,446.06/x
  3. Step 3: Cross multiply
    35,661.21x = 53,503.01 × 21,446.06
  4. Step 4: Simplify right side
    35,661.21x = 1,147,428,387.90
  5. Step 5: Solve for x
    x = 1,147,428,387.90/35,661.21
  6. Step 6: Final answer
    x = 32,175.81

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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.