Home / 49,399.84-74,113.63-19,838.43

Finding the Fourth Proportional to 49,399.84, 74,113.63 and 19,838.43

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Solution

The fourth proportional to 49,399.84, 74,113.63 and 19,838.43 is: 29,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,399.84 : 74,113.63 = 19,838.43 : x
  2. Step 2: Convert to fraction form
    49,399.84/74,113.63 = 19,838.43/x
  3. Step 3: Cross multiply
    49,399.84x = 74,113.63 × 19,838.43
  4. Step 4: Simplify right side
    49,399.84x = 1,470,298,060.80
  5. Step 5: Solve for x
    x = 1,470,298,060.80/49,399.84
  6. Step 6: Final answer
    x = 29,763.22

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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.