Home / 43,207.89-64,650.24-30,756.57

Finding the Fourth Proportional to 43,207.89, 64,650.24 and 30,756.57

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Solution

The fourth proportional to 43,207.89, 64,650.24 and 30,756.57 is: 46,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207.89 : 64,650.24 = 30,756.57 : x
  2. Step 2: Convert to fraction form
    43,207.89/64,650.24 = 30,756.57/x
  3. Step 3: Cross multiply
    43,207.89x = 64,650.24 × 30,756.57
  4. Step 4: Simplify right side
    43,207.89x = 1,988,419,632.08
  5. Step 5: Solve for x
    x = 1,988,419,632.08/43,207.89
  6. Step 6: Final answer
    x = 46,019.83

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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.