Home / 56,380.25-84,533.63-18,424.87

Finding the Fourth Proportional to 56,380.25, 84,533.63 and 18,424.87

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Solution

The fourth proportional to 56,380.25, 84,533.63 and 18,424.87 is: 27,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,380.25 : 84,533.63 = 18,424.87 : x
  2. Step 2: Convert to fraction form
    56,380.25/84,533.63 = 18,424.87/x
  3. Step 3: Cross multiply
    56,380.25x = 84,533.63 × 18,424.87
  4. Step 4: Simplify right side
    56,380.25x = 1,557,520,839.92
  5. Step 5: Solve for x
    x = 1,557,520,839.92/56,380.25
  6. Step 6: Final answer
    x = 27,625.29

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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.