Home / 39,394.15-54,361.70-22,395.99

Finding the Fourth Proportional to 39,394.15, 54,361.70 and 22,395.99

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Solution

The fourth proportional to 39,394.15, 54,361.70 and 22,395.99 is: 30,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.15 : 54,361.70 = 22,395.99 : x
  2. Step 2: Convert to fraction form
    39,394.15/54,361.70 = 22,395.99/x
  3. Step 3: Cross multiply
    39,394.15x = 54,361.70 × 22,395.99
  4. Step 4: Simplify right side
    39,394.15x = 1,217,484,265.44
  5. Step 5: Solve for x
    x = 1,217,484,265.44/39,394.15
  6. Step 6: Final answer
    x = 30,905.21

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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.