Home / 43,416.14-65,133.81-18,477.36

Finding the Fourth Proportional to 43,416.14, 65,133.81 and 18,477.36

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Solution

The fourth proportional to 43,416.14, 65,133.81 and 18,477.36 is: 27,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,416.14 : 65,133.81 = 18,477.36 : x
  2. Step 2: Convert to fraction form
    43,416.14/65,133.81 = 18,477.36/x
  3. Step 3: Cross multiply
    43,416.14x = 65,133.81 × 18,477.36
  4. Step 4: Simplify right side
    43,416.14x = 1,203,500,855.54
  5. Step 5: Solve for x
    x = 1,203,500,855.54/43,416.14
  6. Step 6: Final answer
    x = 27,720.13

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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.