Home / 38,981.94-58,429.14-19,274.34

Finding the Fourth Proportional to 38,981.94, 58,429.14 and 19,274.34

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Solution

The fourth proportional to 38,981.94, 58,429.14 and 19,274.34 is: 28,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.94 : 58,429.14 = 19,274.34 : x
  2. Step 2: Convert to fraction form
    38,981.94/58,429.14 = 19,274.34/x
  3. Step 3: Cross multiply
    38,981.94x = 58,429.14 × 19,274.34
  4. Step 4: Simplify right side
    38,981.94x = 1,126,183,110.27
  5. Step 5: Solve for x
    x = 1,126,183,110.27/38,981.94
  6. Step 6: Final answer
    x = 28,889.87

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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.