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Finding the Fourth Proportional to 29,955.69, 44,944.29 and 12,851.46

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Solution

The fourth proportional to 29,955.69, 44,944.29 and 12,851.46 is: 19,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,955.69 : 44,944.29 = 12,851.46 : x
  2. Step 2: Convert to fraction form
    29,955.69/44,944.29 = 12,851.46/x
  3. Step 3: Cross multiply
    29,955.69x = 44,944.29 × 12,851.46
  4. Step 4: Simplify right side
    29,955.69x = 577,599,745.16
  5. Step 5: Solve for x
    x = 577,599,745.16/29,955.69
  6. Step 6: Final answer
    x = 19,281.80

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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.