Home / 43,702.36-65,551.84-12,537.60

Finding the Fourth Proportional to 43,702.36, 65,551.84 and 12,537.60

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Solution

The fourth proportional to 43,702.36, 65,551.84 and 12,537.60 is: 18,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702.36 : 65,551.84 = 12,537.60 : x
  2. Step 2: Convert to fraction form
    43,702.36/65,551.84 = 12,537.60/x
  3. Step 3: Cross multiply
    43,702.36x = 65,551.84 × 12,537.60
  4. Step 4: Simplify right side
    43,702.36x = 821,862,749.18
  5. Step 5: Solve for x
    x = 821,862,749.18/43,702.36
  6. Step 6: Final answer
    x = 18,805.91

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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.