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Finding the Fourth Proportional to 30,598.80, 45,892.28 and 8,406.52

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Solution

The fourth proportional to 30,598.80, 45,892.28 and 8,406.52 is: 12,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.80 : 45,892.28 = 8,406.52 : x
  2. Step 2: Convert to fraction form
    30,598.80/45,892.28 = 8,406.52/x
  3. Step 3: Cross multiply
    30,598.80x = 45,892.28 × 8,406.52
  4. Step 4: Simplify right side
    30,598.80x = 385,794,369.67
  5. Step 5: Solve for x
    x = 385,794,369.67/30,598.80
  6. Step 6: Final answer
    x = 12,608.15

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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.