Home / 39,223.04-54,121.44-22,456.16

Finding the Fourth Proportional to 39,223.04, 54,121.44 and 22,456.16

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Solution

The fourth proportional to 39,223.04, 54,121.44 and 22,456.16 is: 30,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,223.04 : 54,121.44 = 22,456.16 : x
  2. Step 2: Convert to fraction form
    39,223.04/54,121.44 = 22,456.16/x
  3. Step 3: Cross multiply
    39,223.04x = 54,121.44 × 22,456.16
  4. Step 4: Simplify right side
    39,223.04x = 1,215,359,716.07
  5. Step 5: Solve for x
    x = 1,215,359,716.07/39,223.04
  6. Step 6: Final answer
    x = 30,985.86

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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.