Home / 39,321.12-54,263.04-22,554

Finding the Fourth Proportional to 39,321.12, 54,263.04 and 22,554

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Solution

The fourth proportional to 39,321.12, 54,263.04 and 22,554 is: 31,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.12 : 54,263.04 = 22,554 : x
  2. Step 2: Convert to fraction form
    39,321.12/54,263.04 = 22,554/x
  3. Step 3: Cross multiply
    39,321.12x = 54,263.04 × 22,554
  4. Step 4: Simplify right side
    39,321.12x = 1,223,848,604.16
  5. Step 5: Solve for x
    x = 1,223,848,604.16/39,321.12
  6. Step 6: Final answer
    x = 31,124.46

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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.