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Finding the Fourth Proportional to 29,810, 44,646.96 and 14,238.56

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Solution

The fourth proportional to 29,810, 44,646.96 and 14,238.56 is: 21,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,810 : 44,646.96 = 14,238.56 : x
  2. Step 2: Convert to fraction form
    29,810/44,646.96 = 14,238.56/x
  3. Step 3: Cross multiply
    29,810x = 44,646.96 × 14,238.56
  4. Step 4: Simplify right side
    29,810x = 635,708,418.78
  5. Step 5: Solve for x
    x = 635,708,418.78/29,810
  6. Step 6: Final answer
    x = 21,325.34

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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.