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Finding the Fourth Proportional to 63,587.82, 95,401.79 and 39,911.84

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Solution

The fourth proportional to 63,587.82, 95,401.79 and 39,911.84 is: 59,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,587.82 : 95,401.79 = 39,911.84 : x
  2. Step 2: Convert to fraction form
    63,587.82/95,401.79 = 39,911.84/x
  3. Step 3: Cross multiply
    63,587.82x = 95,401.79 × 39,911.84
  4. Step 4: Simplify right side
    63,587.82x = 3,807,660,978.19
  5. Step 5: Solve for x
    x = 3,807,660,978.19/63,587.82
  6. Step 6: Final answer
    x = 59,880.35

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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.