Home / 30,542.06-42,147.33-17,967.62

Finding the Fourth Proportional to 30,542.06, 42,147.33 and 17,967.62

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Solution

The fourth proportional to 30,542.06, 42,147.33 and 17,967.62 is: 24,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542.06 : 42,147.33 = 17,967.62 : x
  2. Step 2: Convert to fraction form
    30,542.06/42,147.33 = 17,967.62/x
  3. Step 3: Cross multiply
    30,542.06x = 42,147.33 × 17,967.62
  4. Step 4: Simplify right side
    30,542.06x = 757,287,209.45
  5. Step 5: Solve for x
    x = 757,287,209.45/30,542.06
  6. Step 6: Final answer
    x = 24,794.90

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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.