Home / 43,104.95-64,661.07-11,519.81

Finding the Fourth Proportional to 43,104.95, 64,661.07 and 11,519.81

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Solution

The fourth proportional to 43,104.95, 64,661.07 and 11,519.81 is: 17,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,104.95 : 64,661.07 = 11,519.81 : x
  2. Step 2: Convert to fraction form
    43,104.95/64,661.07 = 11,519.81/x
  3. Step 3: Cross multiply
    43,104.95x = 64,661.07 × 11,519.81
  4. Step 4: Simplify right side
    43,104.95x = 744,883,240.80
  5. Step 5: Solve for x
    x = 744,883,240.80/43,104.95
  6. Step 6: Final answer
    x = 17,280.69

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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.