Home / 57,852.13-86,787.44-17,861.71

Finding the Fourth Proportional to 57,852.13, 86,787.44 and 17,861.71

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Solution

The fourth proportional to 57,852.13, 86,787.44 and 17,861.71 is: 26,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,852.13 : 86,787.44 = 17,861.71 : x
  2. Step 2: Convert to fraction form
    57,852.13/86,787.44 = 17,861.71/x
  3. Step 3: Cross multiply
    57,852.13x = 86,787.44 × 17,861.71
  4. Step 4: Simplify right side
    57,852.13x = 1,550,172,084.92
  5. Step 5: Solve for x
    x = 1,550,172,084.92/57,852.13
  6. Step 6: Final answer
    x = 26,795.42

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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.