Home / 43,537.08-65,305.69-11,947.58

Finding the Fourth Proportional to 43,537.08, 65,305.69 and 11,947.58

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Solution

The fourth proportional to 43,537.08, 65,305.69 and 11,947.58 is: 17,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,537.08 : 65,305.69 = 11,947.58 : x
  2. Step 2: Convert to fraction form
    43,537.08/65,305.69 = 11,947.58/x
  3. Step 3: Cross multiply
    43,537.08x = 65,305.69 × 11,947.58
  4. Step 4: Simplify right side
    43,537.08x = 780,244,644.14
  5. Step 5: Solve for x
    x = 780,244,644.14/43,537.08
  6. Step 6: Final answer
    x = 17,921.38

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1.5x scale

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.