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Finding the Fourth Proportional to 29,921.44, 44,887.49 and 9,932.13

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Solution

The fourth proportional to 29,921.44, 44,887.49 and 9,932.13 is: 14,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,921.44 : 44,887.49 = 9,932.13 : x
  2. Step 2: Convert to fraction form
    29,921.44/44,887.49 = 9,932.13/x
  3. Step 3: Cross multiply
    29,921.44x = 44,887.49 × 9,932.13
  4. Step 4: Simplify right side
    29,921.44x = 445,828,386.05
  5. Step 5: Solve for x
    x = 445,828,386.05/29,921.44
  6. Step 6: Final answer
    x = 14,899.96

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1.5x scale

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.