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Finding the Fourth Proportional to 30,086.65, 45,129.83 and 7,597.37

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Solution

The fourth proportional to 30,086.65, 45,129.83 and 7,597.37 is: 11,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.65 : 45,129.83 = 7,597.37 : x
  2. Step 2: Convert to fraction form
    30,086.65/45,129.83 = 7,597.37/x
  3. Step 3: Cross multiply
    30,086.65x = 45,129.83 × 7,597.37
  4. Step 4: Simplify right side
    30,086.65x = 342,868,016.55
  5. Step 5: Solve for x
    x = 342,868,016.55/30,086.65
  6. Step 6: Final answer
    x = 11,396.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.