Home / 38,731.84-58,123.62-14,107.84

Finding the Fourth Proportional to 38,731.84, 58,123.62 and 14,107.84

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Solution

The fourth proportional to 38,731.84, 58,123.62 and 14,107.84 is: 21,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731.84 : 58,123.62 = 14,107.84 : x
  2. Step 2: Convert to fraction form
    38,731.84/58,123.62 = 14,107.84/x
  3. Step 3: Cross multiply
    38,731.84x = 58,123.62 × 14,107.84
  4. Step 4: Simplify right side
    38,731.84x = 819,998,731.18
  5. Step 5: Solve for x
    x = 819,998,731.18/38,731.84
  6. Step 6: Final answer
    x = 21,171.18

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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.