Home / 43,537.28-65,306.01-11,947.77

Finding the Fourth Proportional to 43,537.28, 65,306.01 and 11,947.77

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Solution

The fourth proportional to 43,537.28, 65,306.01 and 11,947.77 is: 17,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,537.28 : 65,306.01 = 11,947.77 : x
  2. Step 2: Convert to fraction form
    43,537.28/65,306.01 = 11,947.77/x
  3. Step 3: Cross multiply
    43,537.28x = 65,306.01 × 11,947.77
  4. Step 4: Simplify right side
    43,537.28x = 780,261,187.10
  5. Step 5: Solve for x
    x = 780,261,187.10/43,537.28
  6. Step 6: Final answer
    x = 17,921.68

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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.