Home / 39,638.32-54,702.60-23,719.72

Finding the Fourth Proportional to 39,638.32, 54,702.60 and 23,719.72

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Solution

The fourth proportional to 39,638.32, 54,702.60 and 23,719.72 is: 32,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.32 : 54,702.60 = 23,719.72 : x
  2. Step 2: Convert to fraction form
    39,638.32/54,702.60 = 23,719.72/x
  3. Step 3: Cross multiply
    39,638.32x = 54,702.60 × 23,719.72
  4. Step 4: Simplify right side
    39,638.32x = 1,297,530,355.27
  5. Step 5: Solve for x
    x = 1,297,530,355.27/39,638.32
  6. Step 6: Final answer
    x = 32,734.24

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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.