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Finding the Fourth Proportional to 58,647.09, 87,904.62 and 29,086.14

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Solution

The fourth proportional to 58,647.09, 87,904.62 and 29,086.14 is: 43,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647.09 : 87,904.62 = 29,086.14 : x
  2. Step 2: Convert to fraction form
    58,647.09/87,904.62 = 29,086.14/x
  3. Step 3: Cross multiply
    58,647.09x = 87,904.62 × 29,086.14
  4. Step 4: Simplify right side
    58,647.09x = 2,556,806,083.97
  5. Step 5: Solve for x
    x = 2,556,806,083.97/58,647.09
  6. Step 6: Final answer
    x = 43,596.47

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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.