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Finding the Fourth Proportional to 29,318.52, 43,985.98 and 9,610.95

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Solution

The fourth proportional to 29,318.52, 43,985.98 and 9,610.95 is: 14,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.52 : 43,985.98 = 9,610.95 : x
  2. Step 2: Convert to fraction form
    29,318.52/43,985.98 = 9,610.95/x
  3. Step 3: Cross multiply
    29,318.52x = 43,985.98 × 9,610.95
  4. Step 4: Simplify right side
    29,318.52x = 422,747,054.48
  5. Step 5: Solve for x
    x = 422,747,054.48/29,318.52
  6. Step 6: Final answer
    x = 14,419.11

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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.