Home / 35,634.11-53,435.37-18,991.04

Finding the Fourth Proportional to 35,634.11, 53,435.37 and 18,991.04

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Solution

The fourth proportional to 35,634.11, 53,435.37 and 18,991.04 is: 28,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,634.11 : 53,435.37 = 18,991.04 : x
  2. Step 2: Convert to fraction form
    35,634.11/53,435.37 = 18,991.04/x
  3. Step 3: Cross multiply
    35,634.11x = 53,435.37 × 18,991.04
  4. Step 4: Simplify right side
    35,634.11x = 1,014,793,154.13
  5. Step 5: Solve for x
    x = 1,014,793,154.13/35,634.11
  6. Step 6: Final answer
    x = 28,478.14

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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.