Home / 56,968.72-85,438.68-16,978.48

Finding the Fourth Proportional to 56,968.72, 85,438.68 and 16,978.48

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Solution

The fourth proportional to 56,968.72, 85,438.68 and 16,978.48 is: 25,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,968.72 : 85,438.68 = 16,978.48 : x
  2. Step 2: Convert to fraction form
    56,968.72/85,438.68 = 16,978.48/x
  3. Step 3: Cross multiply
    56,968.72x = 85,438.68 × 16,978.48
  4. Step 4: Simplify right side
    56,968.72x = 1,450,618,919.61
  5. Step 5: Solve for x
    x = 1,450,618,919.61/56,968.72
  6. Step 6: Final answer
    x = 25,463.43

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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.