Home / 30,147.30-41,597.91-18,202.64

Finding the Fourth Proportional to 30,147.30, 41,597.91 and 18,202.64

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Solution

The fourth proportional to 30,147.30, 41,597.91 and 18,202.64 is: 25,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.30 : 41,597.91 = 18,202.64 : x
  2. Step 2: Convert to fraction form
    30,147.30/41,597.91 = 18,202.64/x
  3. Step 3: Cross multiply
    30,147.30x = 41,597.91 × 18,202.64
  4. Step 4: Simplify right side
    30,147.30x = 757,191,572.49
  5. Step 5: Solve for x
    x = 757,191,572.49/30,147.30
  6. Step 6: Final answer
    x = 25,116.40

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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.