Home / 57,933.09-86,898.42-18,489.53

Finding the Fourth Proportional to 57,933.09, 86,898.42 and 18,489.53

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Solution

The fourth proportional to 57,933.09, 86,898.42 and 18,489.53 is: 27,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,933.09 : 86,898.42 = 18,489.53 : x
  2. Step 2: Convert to fraction form
    57,933.09/86,898.42 = 18,489.53/x
  3. Step 3: Cross multiply
    57,933.09x = 86,898.42 × 18,489.53
  4. Step 4: Simplify right side
    57,933.09x = 1,606,711,160.79
  5. Step 5: Solve for x
    x = 1,606,711,160.79/57,933.09
  6. Step 6: Final answer
    x = 27,733.91

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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.