Home / 39,215.49-54,119.45-22,223.03

Finding the Fourth Proportional to 39,215.49, 54,119.45 and 22,223.03

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Solution

The fourth proportional to 39,215.49, 54,119.45 and 22,223.03 is: 30,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.49 : 54,119.45 = 22,223.03 : x
  2. Step 2: Convert to fraction form
    39,215.49/54,119.45 = 22,223.03/x
  3. Step 3: Cross multiply
    39,215.49x = 54,119.45 × 22,223.03
  4. Step 4: Simplify right side
    39,215.49x = 1,202,698,160.93
  5. Step 5: Solve for x
    x = 1,202,698,160.93/39,215.49
  6. Step 6: Final answer
    x = 30,668.96

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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.