Home / 30,516.29-45,781.45-11,796.49

Finding the Fourth Proportional to 30,516.29, 45,781.45 and 11,796.49

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Solution

The fourth proportional to 30,516.29, 45,781.45 and 11,796.49 is: 17,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.29 : 45,781.45 = 11,796.49 : x
  2. Step 2: Convert to fraction form
    30,516.29/45,781.45 = 11,796.49/x
  3. Step 3: Cross multiply
    30,516.29x = 45,781.45 × 11,796.49
  4. Step 4: Simplify right side
    30,516.29x = 540,060,253.68
  5. Step 5: Solve for x
    x = 540,060,253.68/30,516.29
  6. Step 6: Final answer
    x = 17,697.44

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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.