Home / 33,139.40-49,676.70-29,640.20

Finding the Fourth Proportional to 33,139.40, 49,676.70 and 29,640.20

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Solution

The fourth proportional to 33,139.40, 49,676.70 and 29,640.20 is: 44,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.40 : 49,676.70 = 29,640.20 : x
  2. Step 2: Convert to fraction form
    33,139.40/49,676.70 = 29,640.20/x
  3. Step 3: Cross multiply
    33,139.40x = 49,676.70 × 29,640.20
  4. Step 4: Simplify right side
    33,139.40x = 1,472,427,323.34
  5. Step 5: Solve for x
    x = 1,472,427,323.34/33,139.40
  6. Step 6: Final answer
    x = 44,431.32

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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.