Home / 43,230.78-64,791.50-23,190.57

Finding the Fourth Proportional to 43,230.78, 64,791.50 and 23,190.57

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Solution

The fourth proportional to 43,230.78, 64,791.50 and 23,190.57 is: 34,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,230.78 : 64,791.50 = 23,190.57 : x
  2. Step 2: Convert to fraction form
    43,230.78/64,791.50 = 23,190.57/x
  3. Step 3: Cross multiply
    43,230.78x = 64,791.50 × 23,190.57
  4. Step 4: Simplify right side
    43,230.78x = 1,502,551,700.20
  5. Step 5: Solve for x
    x = 1,502,551,700.20/43,230.78
  6. Step 6: Final answer
    x = 34,756.53

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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.