Home / 35,380.14-53,069.31-10,419.54

Finding the Fourth Proportional to 35,380.14, 53,069.31 and 10,419.54

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Solution

The fourth proportional to 35,380.14, 53,069.31 and 10,419.54 is: 15,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.14 : 53,069.31 = 10,419.54 : x
  2. Step 2: Convert to fraction form
    35,380.14/53,069.31 = 10,419.54/x
  3. Step 3: Cross multiply
    35,380.14x = 53,069.31 × 10,419.54
  4. Step 4: Simplify right side
    35,380.14x = 552,957,798.32
  5. Step 5: Solve for x
    x = 552,957,798.32/35,380.14
  6. Step 6: Final answer
    x = 15,629.04

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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.