Home / 38,835.10-58,252.79-11,817.70

Finding the Fourth Proportional to 38,835.10, 58,252.79 and 11,817.70

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Solution

The fourth proportional to 38,835.10, 58,252.79 and 11,817.70 is: 17,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.10 : 58,252.79 = 11,817.70 : x
  2. Step 2: Convert to fraction form
    38,835.10/58,252.79 = 11,817.70/x
  3. Step 3: Cross multiply
    38,835.10x = 58,252.79 × 11,817.70
  4. Step 4: Simplify right side
    38,835.10x = 688,414,141.49
  5. Step 5: Solve for x
    x = 688,414,141.49/38,835.10
  6. Step 6: Final answer
    x = 17,726.60

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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.