Home / 56,438.88-84,671.30-18,997.97

Finding the Fourth Proportional to 56,438.88, 84,671.30 and 18,997.97

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Solution

The fourth proportional to 56,438.88, 84,671.30 and 18,997.97 is: 28,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.88 : 84,671.30 = 18,997.97 : x
  2. Step 2: Convert to fraction form
    56,438.88/84,671.30 = 18,997.97/x
  3. Step 3: Cross multiply
    56,438.88x = 84,671.30 × 18,997.97
  4. Step 4: Simplify right side
    56,438.88x = 1,608,582,626.11
  5. Step 5: Solve for x
    x = 1,608,582,626.11/56,438.88
  6. Step 6: Final answer
    x = 28,501.32

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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.