Home / 56,380.82-84,584.04-18,938.02

Finding the Fourth Proportional to 56,380.82, 84,584.04 and 18,938.02

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Solution

The fourth proportional to 56,380.82, 84,584.04 and 18,938.02 is: 28,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,380.82 : 84,584.04 = 18,938.02 : x
  2. Step 2: Convert to fraction form
    56,380.82/84,584.04 = 18,938.02/x
  3. Step 3: Cross multiply
    56,380.82x = 84,584.04 × 18,938.02
  4. Step 4: Simplify right side
    56,380.82x = 1,601,854,029.74
  5. Step 5: Solve for x
    x = 1,601,854,029.74/56,380.82
  6. Step 6: Final answer
    x = 28,411.33

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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.