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Finding the Fourth Proportional to 56,652.40, 84,975.90 and 19,208.80

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Solution

The fourth proportional to 56,652.40, 84,975.90 and 19,208.80 is: 28,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.40 : 84,975.90 = 19,208.80 : x
  2. Step 2: Convert to fraction form
    56,652.40/84,975.90 = 19,208.80/x
  3. Step 3: Cross multiply
    56,652.40x = 84,975.90 × 19,208.80
  4. Step 4: Simplify right side
    56,652.40x = 1,632,285,067.92
  5. Step 5: Solve for x
    x = 1,632,285,067.92/56,652.40
  6. Step 6: Final answer
    x = 28,812.28

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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.