Home / 43,619.48-65,437.86-15,919.64

Finding the Fourth Proportional to 43,619.48, 65,437.86 and 15,919.64

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Solution

The fourth proportional to 43,619.48, 65,437.86 and 15,919.64 is: 23,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,619.48 : 65,437.86 = 15,919.64 : x
  2. Step 2: Convert to fraction form
    43,619.48/65,437.86 = 15,919.64/x
  3. Step 3: Cross multiply
    43,619.48x = 65,437.86 × 15,919.64
  4. Step 4: Simplify right side
    43,619.48x = 1,041,747,173.57
  5. Step 5: Solve for x
    x = 1,041,747,173.57/43,619.48
  6. Step 6: Final answer
    x = 23,882.61

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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.