Home / 42,049.45-63,074.17-19,865.07

Finding the Fourth Proportional to 42,049.45, 63,074.17 and 19,865.07

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Solution

The fourth proportional to 42,049.45, 63,074.17 and 19,865.07 is: 29,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,049.45 : 63,074.17 = 19,865.07 : x
  2. Step 2: Convert to fraction form
    42,049.45/63,074.17 = 19,865.07/x
  3. Step 3: Cross multiply
    42,049.45x = 63,074.17 × 19,865.07
  4. Step 4: Simplify right side
    42,049.45x = 1,252,972,802.24
  5. Step 5: Solve for x
    x = 1,252,972,802.24/42,049.45
  6. Step 6: Final answer
    x = 29,797.60

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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.