Home / 57,816.38-86,739.50-17,834.46

Finding the Fourth Proportional to 57,816.38, 86,739.50 and 17,834.46

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Solution

The fourth proportional to 57,816.38, 86,739.50 and 17,834.46 is: 26,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,816.38 : 86,739.50 = 17,834.46 : x
  2. Step 2: Convert to fraction form
    57,816.38/86,739.50 = 17,834.46/x
  3. Step 3: Cross multiply
    57,816.38x = 86,739.50 × 17,834.46
  4. Step 4: Simplify right side
    57,816.38x = 1,546,952,143.17
  5. Step 5: Solve for x
    x = 1,546,952,143.17/57,816.38
  6. Step 6: Final answer
    x = 26,756.30

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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.