Home / 69,430.53-95,787-40,354.06

Finding the Fourth Proportional to 69,430.53, 95,787 and 40,354.06

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Solution

The fourth proportional to 69,430.53, 95,787 and 40,354.06 is: 55,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,430.53 : 95,787 = 40,354.06 : x
  2. Step 2: Convert to fraction form
    69,430.53/95,787 = 40,354.06/x
  3. Step 3: Cross multiply
    69,430.53x = 95,787 × 40,354.06
  4. Step 4: Simplify right side
    69,430.53x = 3,865,394,584.69
  5. Step 5: Solve for x
    x = 3,865,394,584.69/69,430.53
  6. Step 6: Final answer
    x = 55,672.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.