Home / 49,645.90-74,474.28-21,546.64

Finding the Fourth Proportional to 49,645.90, 74,474.28 and 21,546.64

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Solution

The fourth proportional to 49,645.90, 74,474.28 and 21,546.64 is: 32,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.90 : 74,474.28 = 21,546.64 : x
  2. Step 2: Convert to fraction form
    49,645.90/74,474.28 = 21,546.64/x
  3. Step 3: Cross multiply
    49,645.90x = 74,474.28 × 21,546.64
  4. Step 4: Simplify right side
    49,645.90x = 1,604,670,500.42
  5. Step 5: Solve for x
    x = 1,604,670,500.42/49,645.90
  6. Step 6: Final answer
    x = 32,322.32

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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.