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Finding the Fourth Proportional to 30,234.68, 45,352.11 and 9,174.89

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Solution

The fourth proportional to 30,234.68, 45,352.11 and 9,174.89 is: 13,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.68 : 45,352.11 = 9,174.89 : x
  2. Step 2: Convert to fraction form
    30,234.68/45,352.11 = 9,174.89/x
  3. Step 3: Cross multiply
    30,234.68x = 45,352.11 × 9,174.89
  4. Step 4: Simplify right side
    30,234.68x = 416,100,393.76
  5. Step 5: Solve for x
    x = 416,100,393.76/30,234.68
  6. Step 6: Final answer
    x = 13,762.36

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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.