Home / 57,730.88-86,596.96-20,292.02

Finding the Fourth Proportional to 57,730.88, 86,596.96 and 20,292.02

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Solution

The fourth proportional to 57,730.88, 86,596.96 and 20,292.02 is: 30,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,730.88 : 86,596.96 = 20,292.02 : x
  2. Step 2: Convert to fraction form
    57,730.88/86,596.96 = 20,292.02/x
  3. Step 3: Cross multiply
    57,730.88x = 86,596.96 × 20,292.02
  4. Step 4: Simplify right side
    57,730.88x = 1,757,227,244.26
  5. Step 5: Solve for x
    x = 1,757,227,244.26/57,730.88
  6. Step 6: Final answer
    x = 30,438.25

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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.