Home / 43,756.75-65,605.96-20,370.43

Finding the Fourth Proportional to 43,756.75, 65,605.96 and 20,370.43

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Solution

The fourth proportional to 43,756.75, 65,605.96 and 20,370.43 is: 30,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,756.75 : 65,605.96 = 20,370.43 : x
  2. Step 2: Convert to fraction form
    43,756.75/65,605.96 = 20,370.43/x
  3. Step 3: Cross multiply
    43,756.75x = 65,605.96 × 20,370.43
  4. Step 4: Simplify right side
    43,756.75x = 1,336,421,615.76
  5. Step 5: Solve for x
    x = 1,336,421,615.76/43,756.75
  6. Step 6: Final answer
    x = 30,542.07

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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.