Home / 30,270.72-41,778.60-17,693.04

Finding the Fourth Proportional to 30,270.72, 41,778.60 and 17,693.04

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Solution

The fourth proportional to 30,270.72, 41,778.60 and 17,693.04 is: 24,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.72 : 41,778.60 = 17,693.04 : x
  2. Step 2: Convert to fraction form
    30,270.72/41,778.60 = 17,693.04/x
  3. Step 3: Cross multiply
    30,270.72x = 41,778.60 × 17,693.04
  4. Step 4: Simplify right side
    30,270.72x = 739,190,440.94
  5. Step 5: Solve for x
    x = 739,190,440.94/30,270.72
  6. Step 6: Final answer
    x = 24,419.32

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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.