Home / 30,682.50-42,336.57-17,251.89

Finding the Fourth Proportional to 30,682.50, 42,336.57 and 17,251.89

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Solution

The fourth proportional to 30,682.50, 42,336.57 and 17,251.89 is: 23,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,682.50 : 42,336.57 = 17,251.89 : x
  2. Step 2: Convert to fraction form
    30,682.50/42,336.57 = 17,251.89/x
  3. Step 3: Cross multiply
    30,682.50x = 42,336.57 × 17,251.89
  4. Step 4: Simplify right side
    30,682.50x = 730,385,848.62
  5. Step 5: Solve for x
    x = 730,385,848.62/30,682.50
  6. Step 6: Final answer
    x = 23,804.64

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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.