Home / 69,455.43-95,842.80-39,243.38

Finding the Fourth Proportional to 69,455.43, 95,842.80 and 39,243.38

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Solution

The fourth proportional to 69,455.43, 95,842.80 and 39,243.38 is: 54,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,455.43 : 95,842.80 = 39,243.38 : x
  2. Step 2: Convert to fraction form
    69,455.43/95,842.80 = 39,243.38/x
  3. Step 3: Cross multiply
    69,455.43x = 95,842.80 × 39,243.38
  4. Step 4: Simplify right side
    69,455.43x = 3,761,194,941.45
  5. Step 5: Solve for x
    x = 3,761,194,941.45/69,455.43
  6. Step 6: Final answer
    x = 54,152.64

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1.5x scale

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.