Home / 35,130.43-52,685.01-18,481.28

Finding the Fourth Proportional to 35,130.43, 52,685.01 and 18,481.28

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Solution

The fourth proportional to 35,130.43, 52,685.01 and 18,481.28 is: 27,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.43 : 52,685.01 = 18,481.28 : x
  2. Step 2: Convert to fraction form
    35,130.43/52,685.01 = 18,481.28/x
  3. Step 3: Cross multiply
    35,130.43x = 52,685.01 × 18,481.28
  4. Step 4: Simplify right side
    35,130.43x = 973,686,421.61
  5. Step 5: Solve for x
    x = 973,686,421.61/35,130.43
  6. Step 6: Final answer
    x = 27,716.33

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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.