Home / 30,565.15-42,181.94-17,137.27

Finding the Fourth Proportional to 30,565.15, 42,181.94 and 17,137.27

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Solution

The fourth proportional to 30,565.15, 42,181.94 and 17,137.27 is: 23,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.15 : 42,181.94 = 17,137.27 : x
  2. Step 2: Convert to fraction form
    30,565.15/42,181.94 = 17,137.27/x
  3. Step 3: Cross multiply
    30,565.15x = 42,181.94 × 17,137.27
  4. Step 4: Simplify right side
    30,565.15x = 722,883,294.90
  5. Step 5: Solve for x
    x = 722,883,294.90/30,565.15
  6. Step 6: Final answer
    x = 23,650.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.