Home / 56,446.40-84,637.20-16,997.60

Finding the Fourth Proportional to 56,446.40, 84,637.20 and 16,997.60

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Solution

The fourth proportional to 56,446.40, 84,637.20 and 16,997.60 is: 25,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,446.40 : 84,637.20 = 16,997.60 : x
  2. Step 2: Convert to fraction form
    56,446.40/84,637.20 = 16,997.60/x
  3. Step 3: Cross multiply
    56,446.40x = 84,637.20 × 16,997.60
  4. Step 4: Simplify right side
    56,446.40x = 1,438,629,270.72
  5. Step 5: Solve for x
    x = 1,438,629,270.72/56,446.40
  6. Step 6: Final answer
    x = 25,486.64

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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.