Home / 39,638.49-54,702.82-23,719.87

Finding the Fourth Proportional to 39,638.49, 54,702.82 and 23,719.87

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Solution

The fourth proportional to 39,638.49, 54,702.82 and 23,719.87 is: 32,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.49 : 54,702.82 = 23,719.87 : x
  2. Step 2: Convert to fraction form
    39,638.49/54,702.82 = 23,719.87/x
  3. Step 3: Cross multiply
    39,638.49x = 54,702.82 × 23,719.87
  4. Step 4: Simplify right side
    39,638.49x = 1,297,543,719.73
  5. Step 5: Solve for x
    x = 1,297,543,719.73/39,638.49
  6. Step 6: Final answer
    x = 32,734.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.