Home / 43,939.74-65,870.14-15,853.19

Finding the Fourth Proportional to 43,939.74, 65,870.14 and 15,853.19

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Solution

The fourth proportional to 43,939.74, 65,870.14 and 15,853.19 is: 23,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939.74 : 65,870.14 = 15,853.19 : x
  2. Step 2: Convert to fraction form
    43,939.74/65,870.14 = 15,853.19/x
  3. Step 3: Cross multiply
    43,939.74x = 65,870.14 × 15,853.19
  4. Step 4: Simplify right side
    43,939.74x = 1,044,251,844.75
  5. Step 5: Solve for x
    x = 1,044,251,844.75/43,939.74
  6. Step 6: Final answer
    x = 23,765.54

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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.