Home / 43,703.62-65,555.50-18,727.48

Finding the Fourth Proportional to 43,703.62, 65,555.50 and 18,727.48

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Solution

The fourth proportional to 43,703.62, 65,555.50 and 18,727.48 is: 28,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703.62 : 65,555.50 = 18,727.48 : x
  2. Step 2: Convert to fraction form
    43,703.62/65,555.50 = 18,727.48/x
  3. Step 3: Cross multiply
    43,703.62x = 65,555.50 × 18,727.48
  4. Step 4: Simplify right side
    43,703.62x = 1,227,689,315.14
  5. Step 5: Solve for x
    x = 1,227,689,315.14/43,703.62
  6. Step 6: Final answer
    x = 28,091.25

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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.