Home / 47,419.84-71,121.25-17,838.64

Finding the Fourth Proportional to 47,419.84, 71,121.25 and 17,838.64

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Solution

The fourth proportional to 47,419.84, 71,121.25 and 17,838.64 is: 26,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,419.84 : 71,121.25 = 17,838.64 : x
  2. Step 2: Convert to fraction form
    47,419.84/71,121.25 = 17,838.64/x
  3. Step 3: Cross multiply
    47,419.84x = 71,121.25 × 17,838.64
  4. Step 4: Simplify right side
    47,419.84x = 1,268,706,375.10
  5. Step 5: Solve for x
    x = 1,268,706,375.10/47,419.84
  6. Step 6: Final answer
    x = 26,754.76

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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.