Home / 43,577.10-65,359.46-13,991.10

Finding the Fourth Proportional to 43,577.10, 65,359.46 and 13,991.10

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Solution

The fourth proportional to 43,577.10, 65,359.46 and 13,991.10 is: 20,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.10 : 65,359.46 = 13,991.10 : x
  2. Step 2: Convert to fraction form
    43,577.10/65,359.46 = 13,991.10/x
  3. Step 3: Cross multiply
    43,577.10x = 65,359.46 × 13,991.10
  4. Step 4: Simplify right side
    43,577.10x = 914,450,740.81
  5. Step 5: Solve for x
    x = 914,450,740.81/43,577.10
  6. Step 6: Final answer
    x = 20,984.66

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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.