Home / 35,471.28-53,208.03-13,280.43

Finding the Fourth Proportional to 35,471.28, 53,208.03 and 13,280.43

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Solution

The fourth proportional to 35,471.28, 53,208.03 and 13,280.43 is: 19,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.28 : 53,208.03 = 13,280.43 : x
  2. Step 2: Convert to fraction form
    35,471.28/53,208.03 = 13,280.43/x
  3. Step 3: Cross multiply
    35,471.28x = 53,208.03 × 13,280.43
  4. Step 4: Simplify right side
    35,471.28x = 706,625,517.85
  5. Step 5: Solve for x
    x = 706,625,517.85/35,471.28
  6. Step 6: Final answer
    x = 19,921.06

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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.