Home / 43,702.32-65,553.12-12,537.60

Finding the Fourth Proportional to 43,702.32, 65,553.12 and 12,537.60

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Solution

The fourth proportional to 43,702.32, 65,553.12 and 12,537.60 is: 18,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702.32 : 65,553.12 = 12,537.60 : x
  2. Step 2: Convert to fraction form
    43,702.32/65,553.12 = 12,537.60/x
  3. Step 3: Cross multiply
    43,702.32x = 65,553.12 × 12,537.60
  4. Step 4: Simplify right side
    43,702.32x = 821,878,797.31
  5. Step 5: Solve for x
    x = 821,878,797.31/43,702.32
  6. Step 6: Final answer
    x = 18,806.30

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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.