Home / 57,807.46-86,719.43-17,829.80

Finding the Fourth Proportional to 57,807.46, 86,719.43 and 17,829.80

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Solution

The fourth proportional to 57,807.46, 86,719.43 and 17,829.80 is: 26,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.46 : 86,719.43 = 17,829.80 : x
  2. Step 2: Convert to fraction form
    57,807.46/86,719.43 = 17,829.80/x
  3. Step 3: Cross multiply
    57,807.46x = 86,719.43 × 17,829.80
  4. Step 4: Simplify right side
    57,807.46x = 1,546,190,093.01
  5. Step 5: Solve for x
    x = 1,546,190,093.01/57,807.46
  6. Step 6: Final answer
    x = 26,747.24

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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.