Home / 30,734.86-42,416.22-17,125.04

Finding the Fourth Proportional to 30,734.86, 42,416.22 and 17,125.04

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Solution

The fourth proportional to 30,734.86, 42,416.22 and 17,125.04 is: 23,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734.86 : 42,416.22 = 17,125.04 : x
  2. Step 2: Convert to fraction form
    30,734.86/42,416.22 = 17,125.04/x
  3. Step 3: Cross multiply
    30,734.86x = 42,416.22 × 17,125.04
  4. Step 4: Simplify right side
    30,734.86x = 726,379,464.15
  5. Step 5: Solve for x
    x = 726,379,464.15/30,734.86
  6. Step 6: Final answer
    x = 23,633.73

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1.5x scale

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.