Home / 43,741.49-65,620.40-30,289.28

Finding the Fourth Proportional to 43,741.49, 65,620.40 and 30,289.28

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Solution

The fourth proportional to 43,741.49, 65,620.40 and 30,289.28 is: 45,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,741.49 : 65,620.40 = 30,289.28 : x
  2. Step 2: Convert to fraction form
    43,741.49/65,620.40 = 30,289.28/x
  3. Step 3: Cross multiply
    43,741.49x = 65,620.40 × 30,289.28
  4. Step 4: Simplify right side
    43,741.49x = 1,987,594,189.76
  5. Step 5: Solve for x
    x = 1,987,594,189.76/43,741.49
  6. Step 6: Final answer
    x = 45,439.57

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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.