Home / 39,849.74-54,986.82-22,619.42

Finding the Fourth Proportional to 39,849.74, 54,986.82 and 22,619.42

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Solution

The fourth proportional to 39,849.74, 54,986.82 and 22,619.42 is: 31,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.74 : 54,986.82 = 22,619.42 : x
  2. Step 2: Convert to fraction form
    39,849.74/54,986.82 = 22,619.42/x
  3. Step 3: Cross multiply
    39,849.74x = 54,986.82 × 22,619.42
  4. Step 4: Simplify right side
    39,849.74x = 1,243,770,113.51
  5. Step 5: Solve for x
    x = 1,243,770,113.51/39,849.74
  6. Step 6: Final answer
    x = 31,211.50

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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.