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Finding the Fourth Proportional to 63,663.90, 95,365.84 and 30,283

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Solution

The fourth proportional to 63,663.90, 95,365.84 and 30,283 is: 45,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,663.90 : 95,365.84 = 30,283 : x
  2. Step 2: Convert to fraction form
    63,663.90/95,365.84 = 30,283/x
  3. Step 3: Cross multiply
    63,663.90x = 95,365.84 × 30,283
  4. Step 4: Simplify right side
    63,663.90x = 2,887,963,732.72
  5. Step 5: Solve for x
    x = 2,887,963,732.72/63,663.90
  6. Step 6: Final answer
    x = 45,362.66

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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.